SELECT 
  bm_snapping.grid_id as grid_id, 
  bm_snapping.block_id as block_id, 
  IFNULL(
    dynamic_object_content.content, 
    default_content.content
  ) as content, 
  IFNULL(
    dynamic_object_content.object_id, 
    default_content.object_id
  ) AS object_id, 
  IFNULL(
    dynamic_object_content.object_type, 
    default_content.object_type
  ) AS object_type, 
  bm_block_statuses.object_ids as object_ids, 
  bm_snapping.*, 
  bm_blocks.*, 
  bm_blocks_descriptions.* 
FROM 
  bm_snapping 
  LEFT JOIN bm_blocks ON bm_blocks.block_id = bm_snapping.block_id 
  LEFT JOIN bm_block_statuses ON bm_snapping.snapping_id = bm_block_statuses.snapping_id 
  AND bm_block_statuses.object_type LIKE '' 
  LEFT JOIN bm_blocks_descriptions ON bm_blocks.block_id = bm_blocks_descriptions.block_id 
  LEFT JOIN bm_blocks_content AS default_content ON bm_blocks.block_id = default_content.block_id 
  AND bm_blocks_descriptions.lang_code = default_content.lang_code 
  AND default_content.snapping_id = 0 
  AND default_content.object_id = 0 
  AND default_content.object_type like '' 
  LEFT JOIN bm_blocks_content AS dynamic_object_content ON bm_blocks.block_id = dynamic_object_content.block_id 
  AND bm_blocks_descriptions.lang_code = dynamic_object_content.lang_code 
  AND dynamic_object_content.object_id = 0 
  AND dynamic_object_content.object_type like '' 
WHERE 
  bm_snapping.grid_id IN (
    156, 163, 164, 792, 168, 165, 169, 166, 
    167, 617, 229, 618, 684, 230, 231, 157, 
    158, 159, 160, 683, 753
  ) 
  AND bm_blocks_descriptions.lang_code = 'en' 
ORDER BY 
  bm_snapping.order, 
  bm_snapping.block_id

Query time 0.00167

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "170.43"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "49.30"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "bm_snapping",
            "access_type": "range",
            "possible_keys": [
              "grid_id"
            ],
            "key": "grid_id",
            "used_key_parts": [
              "grid_id"
            ],
            "key_length": "4",
            "rows_examined_per_scan": 41,
            "rows_produced_per_join": 41,
            "filtered": "100.00",
            "index_condition": "(`goimagine`.`bm_snapping`.`grid_id` in (156,163,164,792,168,165,169,166,167,617,229,618,684,230,231,157,158,159,160,683,753))",
            "cost_info": {
              "read_cost": "27.36",
              "eval_cost": "4.10",
              "prefix_cost": "31.46",
              "data_read_per_join": "32K"
            },
            "used_columns": [
              "snapping_id",
              "block_id",
              "grid_id",
              "wrapper",
              "user_class",
              "order",
              "status",
              "display_on"
            ]
          }
        },
        {
          "table": {
            "table_name": "bm_block_statuses",
            "access_type": "ref",
            "possible_keys": [
              "snapping_id"
            ],
            "key": "snapping_id",
            "used_key_parts": [
              "snapping_id"
            ],
            "key_length": "4",
            "ref": [
              "goimagine.bm_snapping.snapping_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 41,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "10.25",
              "eval_cost": "4.10",
              "prefix_cost": "45.81",
              "data_read_per_join": "4K"
            },
            "used_columns": [
              "snapping_id",
              "object_ids",
              "object_type"
            ],
            "attached_condition": "<if>(is_not_null_compl(bm_block_statuses), ((`goimagine`.`bm_snapping`.`snapping_id` = `goimagine`.`bm_block_statuses`.`snapping_id`) and (`goimagine`.`bm_block_statuses`.`object_type` like '')), true)"
          }
        },
        {
          "table": {
            "table_name": "bm_blocks",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "goimagine.bm_snapping.block_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 41,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "10.25",
              "eval_cost": "4.10",
              "prefix_cost": "60.16",
              "data_read_per_join": "8K"
            },
            "used_columns": [
              "block_id",
              "type",
              "properties",
              "company_id",
              "storefront_id"
            ]
          }
        },
        {
          "table": {
            "table_name": "bm_blocks_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id",
              "lang_code"
            ],
            "key_length": "10",
            "ref": [
              "goimagine.bm_snapping.block_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 41,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "10.25",
              "eval_cost": "4.10",
              "prefix_cost": "74.51",
              "data_read_per_join": "8K"
            },
            "used_columns": [
              "block_id",
              "lang_code",
              "name"
            ]
          }
        },
        {
          "table": {
            "table_name": "default_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id",
              "snapping_id",
              "lang_code",
              "object_id"
            ],
            "key_length": "18",
            "ref": [
              "goimagine.bm_snapping.block_id",
              "const",
              "goimagine.bm_blocks_descriptions.lang_code",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 41,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "18.79",
              "eval_cost": "4.10",
              "prefix_cost": "97.40",
              "data_read_per_join": "8K"
            },
            "used_columns": [
              "snapping_id",
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ],
            "attached_condition": "<if>(is_not_null_compl(default_content), (`goimagine`.`default_content`.`object_type` like ''), true)"
          }
        },
        {
          "table": {
            "table_name": "dynamic_object_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "goimagine.bm_snapping.block_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 49,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "18.79",
              "eval_cost": "4.93",
              "prefix_cost": "121.12",
              "data_read_per_join": "10K"
            },
            "used_columns": [
              "snapping_id",
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ],
            "attached_condition": "<if>(is_not_null_compl(dynamic_object_content), ((`goimagine`.`dynamic_object_content`.`object_id` = 0) and (`goimagine`.`dynamic_object_content`.`lang_code` = `goimagine`.`bm_blocks_descriptions`.`lang_code`) and (`goimagine`.`dynamic_object_content`.`object_type` like '')), true)"
          }
        }
      ]
    }
  }
}

Result

grid_id block_id content object_id object_type object_ids snapping_id wrapper user_class order status display_on type properties company_id storefront_id lang_code name
157 5 0 995 0 A M template a:1:{s:8:"template";s:71:"addons/ath_custom__goimagine_com/blocks/static_templates/smart_logo.tpl";} 0 1 en Logo
158 7 0 591 th_top-search 0 D M template a:1:{s:8:"template";s:68:"addons/algolia/blocks/static_templates/algolia_search_with_state.tpl";} 0 1 en Search
159 62 0 176 th_cart-content 0 A M cart_content a:4:{s:8:"template";s:23:"blocks/cart_content.tpl";s:22:"display_bottom_buttons";s:1:"Y";s:20:"display_delete_icons";s:1:"Y";s:19:"products_links_type";s:5:"thumb";} 0 1 en Cart content
160 76 a:1:{s:4:"menu";s:1:"2";} 0 179 tt_header-menu hidden-phone 0 A M menu a:3:{s:8:"template";s:35:"blocks/menu/dropdown_horizontal.tpl";s:30:"dropdown_second_level_elements";s:1:"5";s:29:"dropdown_third_level_elements";s:1:"5";} 0 1 en Menu
165 77 a:1:{s:7:"content";s:574:" <strong><a href="https://goimagine.com/vendor.php"><span style="color: rgb(0, 115, 119);">Seller Dashboard</a></li></strong> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=95"|fn_url}">Become a Member</a></li> <li class="ty-footer-menu__item"><a href="http://help.goimagine.com/">Seller Help Center</a> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=29"|fn_url}">Handmade Guidelines</a></li> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=54"|fn_url}">Copyright Infringement</a></li> ";} 0 182 blocks/wrappers/footer_general.tpl footer-no-wysiwyg 0 A M smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 0 1 en Sell
164 78 0 183 blocks/wrappers/footer_general.tpl 0 A E template a:1:{s:8:"template";s:53:"blocks/static_templates/my_account_links_advanced.tpl";} 0 1 en Shop
166 79 a:1:{s:4:"menu";s:1:"3";} 0 184 blocks/wrappers/footer_general.tpl footer-menu-shop 0 A M menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"N";} 0 1 en Company
169 82 a:1:{s:7:"content";s:307:"{** block-description:tmpl_copyright **} <p class="bottom-copyright">&copy; 2022 goimagine - <a href="{"pages.view?page_id=5"|fn_url}">Terms & Conditions</a> - <a href="{"pages.view?page_id=3"|fn_url}">Privacy Policy</a> - <a href="{"pages.view?page_id=43"|fn_url}">Buyer & Returns Policy</a></li> </p>";} 0 187 0 A M smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 0 1 en Copyright Text
618 116 a:1:{s:7:"content";s:29:"<p><br></p> <p></p> <p></p>";} 0 771 0 A M html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 0 1 en Blank
684 116 a:1:{s:7:"content";s:29:"<p><br></p> <p></p> <p></p>";} 0 1052 0 A V html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 0 1 en Blank
617 152 0 864 0 A E vendor_store_banner a:1:{s:8:"template";s:50:"addons/vendor_store_banner/blocks/store_banner.tpl";} 0 1 en Seller Banner
231 194 a:1:{s:5:"items";a:2:{s:7:"filling";s:17:"featured_products";s:5:"limit";s:3:"100";}} 0 811 blocks/wrappers/mainbox_simple.tpl 0 A M products a:4:{s:8:"template";s:41:"blocks/products/products_multicolumns.tpl";s:11:"item_number";s:1:"N";s:17:"number_of_columns";s:1:"3";s:23:"hide_add_to_cart_button";s:1:"Y";} 0 1 en Featured Products
165 265 0 1038 blocks/wrappers/footer_general.tpl 0 A V template a:1:{s:8:"template";s:73:"addons/ath_custom__goimagine_com/blocks/static_templates/about_vendor.tpl";} 0 1 en About Us
683 271 a:1:{s:4:"menu";s:1:"5";} 0 1049 0 A V vendor_top_menu a:1:{s:8:"template";s:59:"addons/ath_custom__goimagine_com/blocks/vendor_top_menu.tpl";} 0 1 en Vendor Top Menu
230 283 0 1084 blocks/wrappers/sidebox_general.tpl 0 A M vendor_search a:1:{s:8:"template";s:72:"addons/ath_custom__goimagine_com/blocks/vendors/vendor_search_normal.tpl";} 0 1 en Search this Shop
230 296 0 1200 blocks/wrappers/sidebox_general.tpl hidden-phone 0 A M vendor_side_menu_for_search a:1:{s:8:"template";s:71:"addons/ath_custom__goimagine_com/blocks/vendor_side_menu_for_search.tpl";} 0 1 en Shop Categories
753 310 a:1:{s:4:"menu";s:1:"5";} 0 1225 0 A V vendor_top_menu a:1:{s:8:"template";s:70:"addons/ath_custom__goimagine_com/blocks/vendor_top_menu_horizontal.tpl";} 0 1 en MOSAIC Horizontal Menu
792 381 a:1:{s:7:"content";s:363:"{** block-description:tmpl_copyright **} <p class="bottom-copyright">Copyright &copy; 2022 - Powered by <a href="https://goimagine.com">goimagine - <a href="{"pages.view?page_id=5"|fn_url}">Terms & Conditions</a> - <a href="{"pages.view?page_id=3"|fn_url}">Privacy Policy</a> - <a href="{"pages.view?page_id=43"|fn_url}">Buyer & Returns Policy</a></li> </p>";} 0 1334 0 A V smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 0 1 en MOSAIC Copyright Footer
167 589 a:1:{s:7:"content";s:39:"<div class="klaviyo-form-U2gJU9"></div>";} 0 1676 0 A M html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 0 1 en Footer Subscribe
156 640 a:1:{s:7:"content";s:86:"={$company.discussion.average_rating|fn_print_r} <=> {$company_data.average_rating}= ";} 0 2200 0 D E smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 0 1 en Test Var
159 4 0 177 blocks/wrappers/onclick_dropdown.tpl th_your-account 1 A M my_account a:1:{s:8:"template";s:21:"blocks/my_account.tpl";} 0 1 en My Account
231 11 0 263 blocks/wrappers/mainbox_simple.tpl 1 A E main 0 1 en Main Content
158 52 0 2201 1 D E vendor_search a:1:{s:8:"template";s:32:"blocks/vendors/vendor_search.tpl";} 0 1 en Search
229 53 0 863 1 A M vendor_information a:1:{s:8:"template";s:65:"addons/ath_custom__goimagine_com/blocks/vendor_homepage_block.tpl";} 0 1 en Vendor information
167 80 a:1:{s:7:"content";s:490:"<div class="th_social-link facebook"> <a href="https://www.facebook.com/goimagine.life/" target="_blank"><i class="icon-tt-facebook-squared"></i></a> </div> <div class="th_social-link instagram"> <a href="https://www.instagram.com/goimagine.life/" target="_blank"><i class="icon-tt-instagram"></i></a> </div> <div class="th_social-link youtube"> <a href="https://www.youtube.com/channel/UCvSZ1ZH5gpsoVNvGZnj2xkQ" target="_blank"><i class="icon-tt-youtube-play"></i></a> </div>";} 0 185 blocks/wrappers/footer_general.tpl th_footer__social-link 1 D M smarty_block a:1:{s:8:"template";s:23:"blocks/smarty_block.tpl";} 0 1 en Connect with us
684 194 a:1:{s:5:"items";a:2:{s:7:"filling";s:17:"featured_products";s:5:"limit";s:3:"100";}} 0 1051 blocks/wrappers/mainbox_simple.tpl 1 A V products a:4:{s:8:"template";s:41:"blocks/products/products_multicolumns.tpl";s:11:"item_number";s:1:"N";s:17:"number_of_columns";s:1:"3";s:23:"hide_add_to_cart_button";s:1:"Y";} 0 1 en Featured Products
618 230 a:1:{s:5:"items";a:3:{s:7:"filling";s:13:"full_tree_cat";s:18:"parent_category_id";s:0:"";s:7:"sort_by";s:8:"position";}} 0 1007 hidden-desktop hidden-tablet 1 A M vendor_categories a:2:{s:8:"template";s:50:"blocks/categories/categories_dropdown_vertical.tpl";s:25:"right_to_left_orientation";s:1:"N";} 0 1 en Shop Categories
166 243 0 999 blocks/wrappers/footer_general.tpl 1 A V vendor_social_icon a:1:{s:8:"template";s:62:"addons/ath_custom__goimagine_com/blocks/vendor_social_icon.tpl";} 0 1 en Connect with Us
683 246 0 1003 1 A V vendor_search a:1:{s:8:"template";s:71:"addons/ath_custom__goimagine_com/blocks/vendors/vendor_search_slide.tpl";} 0 1 en Search this Shop - MOSAIC
683 51 0 1048 2 A V vendor_logo a:2:{s:8:"template";s:30:"blocks/vendors/vendor_logo.tpl";s:12:"image_height";s:3:"100";} 0 1 en Vendor logo
160 75 a:1:{s:4:"menu";s:1:"2";} 0 1045 hidden-tablet hidden-desktop 2 A M mega_menu a:6:{s:8:"template";s:30:"blocks/mega_menu/mega_menu.tpl";s:8:"language";s:1:"N";s:8:"currency";s:1:"N";s:12:"full_tree_l1";s:1:"8";s:12:"full_tree_l2";s:1:"6";s:12:"full_tree_l3";s:1:"6";} 0 1 en MegaMenu
167 244 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:4:"9477";}} 0 1000 hidden-phone 2 D V banners a:1:{s:8:"template";s:34:"addons/banners/blocks/original.tpl";} 0 1 en MOSAIC Footer Logo
156 263 0 1035 2 A V template a:1:{s:8:"template";s:78:"addons/ath_custom__goimagine_com/blocks/static_templates/shop_announcement.tpl";} 0 1 en Shop Announcement
158 593 0 2279 2 A E template a:1:{s:8:"template";s:34:"blocks/static_templates/search.tpl";} 0 1 en Search
230 59 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:1:"1";}} 0 847 blocks/wrappers/sidebox_general.tpl hidden-phone 3 A M product_filters a:1:{s:8:"template";s:48:"blocks/product_filters/for_category/original.tpl";} 0 1 en Product Filters
167 116 a:1:{s:7:"content";s:29:"<p><br></p> <p></p> <p></p>";} 0 1069 3 D V html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 0 1 en Blank
683 4 0 1047 blocks/wrappers/onclick_dropdown.tpl 4 A V my_account a:1:{s:8:"template";s:21:"blocks/my_account.tpl";} 0 1 en My Account
167 276 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:4:"9500";}} 0 1066 hidden-tablet hidden-desktop 4 D V banners a:1:{s:8:"template";s:34:"addons/banners/blocks/original.tpl";} 0 1 en Powered By - Mobile
683 62 0 1046 5 A V cart_content a:4:{s:8:"template";s:23:"blocks/cart_content.tpl";s:22:"display_bottom_buttons";s:1:"Y";s:20:"display_delete_icons";s:1:"Y";s:19:"products_links_type";s:5:"thumb";} 0 1 en Cart content