SELECT 
  products.*, 
  product_descriptions.*, 
  MIN(
    IF(
      product_prices.percentage_discount = 0, 
      product_prices.price, 
      product_prices.price - (
        product_prices.price * product_prices.percentage_discount
      )/ 100
    )
  ) as price, 
  GROUP_CONCAT(
    CASE WHEN (
      products_categories.link_type = 'M'
    ) THEN CONCAT(
      products_categories.category_id, 
      'M'
    ) ELSE products_categories.category_id END 
    ORDER BY 
      categories.storefront_id IN (0, 1) DESC, 
      (
        products_categories.link_type = 'M'
      ) DESC, 
      products_categories.category_position ASC, 
      products_categories.category_id ASC
  ) as category_ids, 
  popularity.total as popularity, 
  company_descr.i18n_company as company_name, 
  cd.terms, 
  seo_names.name as seo_name, 
  seo_names.path as seo_path, 
  company_descriptions.company_description, 
  discussion.type as discussion_type 
FROM 
  products 
  LEFT JOIN product_prices ON product_prices.product_id = products.product_id 
  AND product_prices.lower_limit = 1 
  AND product_prices.usergroup_id IN (0, 0, 1) 
  LEFT JOIN product_descriptions ON product_descriptions.product_id = products.product_id 
  AND product_descriptions.lang_code = 'en' 
  LEFT JOIN company_descriptions as company_descr ON company_descr.company_id = products.company_id 
  AND company_descr.lang_code = 'en' 
  LEFT JOIN companies as companies ON companies.company_id = products.company_id 
  INNER JOIN products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN categories ON categories.category_id = products_categories.category_id 
  AND categories.storefront_id IN (0, 1) 
  AND (
    categories.usergroup_ids = '' 
    OR FIND_IN_SET(0, categories.usergroup_ids) 
    OR FIND_IN_SET(1, categories.usergroup_ids)
  ) 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND categories.status IN ('A', 'H') 
  AND products.status IN ('A', 'H') 
  LEFT JOIN product_popularity as popularity ON popularity.product_id = products.product_id 
  LEFT JOIN company_descriptions AS cd ON cd.company_id = products.company_id 
  AND cd.lang_code = 'en' 
  LEFT JOIN seo_names ON seo_names.object_id = 78304 
  AND seo_names.type = 'p' 
  AND seo_names.dispatch = '' 
  AND seo_names.lang_code = 'en' 
  LEFT JOIN company_descriptions AS company_descriptions ON company_descriptions.company_id = products.company_id 
  AND company_descriptions.lang_code = 'en' 
  LEFT JOIN discussion ON discussion.object_id = products.product_id 
  AND discussion.object_type = 'P' 
WHERE 
  products.product_id = 78304 
  AND (
    companies.status IN ('A') 
    OR products.company_id = 0
  ) 
GROUP BY 
  products.product_id

Query time 0.00310

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "7.48"
    },
    "grouping_operation": {
      "using_filesort": false,
      "nested_loop": [
        {
          "table": {
            "table_name": "products",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY",
              "status",
              "idx_company_id",
              "idx_usergroup_ids"
            ],
            "key": "PRIMARY",
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            ],
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            "cost_info": {
              "read_cost": "0.00",
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              "data_read_per_join": "4K"
            },
            "used_columns": [
              "product_id",
              "product_code",
              "product_type",
              "status",
              "company_id",
              "list_price",
              "amount",
              "weight",
              "length",
              "width",
              "height",
              "shipping_freight",
              "low_avail_limit",
              "timestamp",
              "updated_timestamp",
              "usergroup_ids",
              "is_edp",
              "edp_shipping",
              "unlimited_download",
              "tracking",
              "free_shipping",
              "zero_price_action",
              "is_pbp",
              "is_op",
              "is_oper",
              "is_returnable",
              "return_period",
              "avail_since",
              "out_of_stock_actions",
              "localization",
              "min_qty",
              "max_qty",
              "qty_step",
              "list_qty_count",
              "tax_ids",
              "age_verification",
              "age_limit",
              "options_type",
              "exceptions_type",
              "details_layout",
              "shipping_params",
              "weight_lbs",
              "weight_oz",
              "product_tax_code",
              "deleted_at",
              "archived_at",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "popularity",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY",
              "total"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "product_id"
            ],
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            "ref": [
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            ],
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            },
            "used_columns": [
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            ]
          }
        },
        {
          "table": {
            "table_name": "cd",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "company_id",
              "lang_code"
            ],
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            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
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            "cost_info": {
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              "data_read_per_join": "1K"
            },
            "used_columns": [
              "company_id",
              "lang_code",
              "terms"
            ]
          }
        },
        {
          "table": {
            "table_name": "product_prices",
            "access_type": "ref",
            "possible_keys": [
              "usergroup",
              "product_id",
              "lower_limit",
              "usergroup_id"
            ],
            "key": "product_id",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "ref": [
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            ],
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            "rows_produced_per_join": 2,
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            "cost_info": {
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              "prefix_cost": "0.80",
              "data_read_per_join": "48"
            },
            "used_columns": [
              "product_id",
              "price",
              "percentage_discount",
              "lower_limit",
              "usergroup_id"
            ],
            "attached_condition": "<if>(is_not_null_compl(product_prices), ((`goimagine`.`product_prices`.`lower_limit` = 1) and (`goimagine`.`product_prices`.`usergroup_id` in (0,0,1))), true)"
          }
        },
        {
          "table": {
            "table_name": "product_descriptions",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY",
              "product_id"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "product_id",
              "lang_code"
            ],
            "key_length": "11",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 2,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.63",
              "eval_cost": "0.20",
              "prefix_cost": "1.64",
              "data_read_per_join": "10K"
            },
            "used_columns": [
              "product_id",
              "lang_code",
              "product",
              "shortname",
              "short_description",
              "full_description",
              "meta_keywords",
              "meta_description",
              "search_words",
              "page_title",
              "age_warning_message",
              "promo_text",
              "cls_stop_words",
              "how_its_made",
              "custom_header"
            ]
          }
        },
        {
          "table": {
            "table_name": "company_descr",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "company_id",
              "lang_code"
            ],
            "key_length": "10",
            "ref": [
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 2,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.89",
              "eval_cost": "0.20",
              "prefix_cost": "2.73",
              "data_read_per_join": "3K"
            },
            "used_columns": [
              "company_id",
              "lang_code",
              "i18n_company"
            ]
          }
        },
        {
          "table": {
            "table_name": "companies",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "company_id"
            ],
            "key_length": "4",
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            ],
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            "cost_info": {
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              "data_read_per_join": "29K"
            },
            "used_columns": [
              "company_id",
              "status"
            ],
            "attached_condition": "<if>(found_match(companies), ((`goimagine`.`companies`.`status` = 'A') or false), true)"
          }
        },
        {
          "table": {
            "table_name": "products_categories",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "pt"
            ],
            "key": "pt",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "ref": [
              "const"
            ],
            "rows_examined_per_scan": 3,
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              "data_read_per_join": "96"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "link_type",
              "category_position"
            ]
          }
        },
        {
          "table": {
            "table_name": "categories",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "c_status",
              "p_category_id"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id"
            ],
            "key_length": "3",
            "ref": [
              "goimagine.products_categories.category_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "5.00",
            "cost_info": {
              "read_cost": "0.75",
              "eval_cost": "0.03",
              "prefix_cost": "7.06",
              "data_read_per_join": "804"
            },
            "used_columns": [
              "category_id",
              "usergroup_ids",
              "status",
              "storefront_id"
            ],
            "attached_condition": "((`goimagine`.`categories`.`storefront_id` in (0,1)) and ((`goimagine`.`categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`goimagine`.`categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`goimagine`.`categories`.`usergroup_ids`))) and (`goimagine`.`categories`.`status` in ('A','H')))"
          }
        },
        {
          "table": {
            "table_name": "seo_names",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "dispatch"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "object_id",
              "type",
              "dispatch",
              "lang_code"
            ],
            "key_length": "206",
            "ref": [
              "const",
              "const",
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
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              "prefix_cost": "7.34",
              "data_read_per_join": "520"
            },
            "used_columns": [
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              "type",
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              "path",
              "lang_code"
            ]
          }
        },
        {
          "table": {
            "table_name": "company_descriptions",
            "access_type": "const",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "company_id",
              "lang_code"
            ],
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            "ref": [
              "const",
              "const"
            ],
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            },
            "used_columns": [
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              "lang_code",
              "company_description"
            ]
          }
        },
        {
          "table": {
            "table_name": "discussion",
            "access_type": "const",
            "possible_keys": [
              "object_id"
            ],
            "key": "object_id",
            "used_key_parts": [
              "object_id",
              "object_type"
            ],
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              "const"
            ],
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              "prefix_cost": "7.48",
              "data_read_per_join": "7"
            },
            "used_columns": [
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              "object_type",
              "type"
            ]
          }
        }
      ]
    }
  }
}