SELECT 
  a.modifier, 
  a.modifier_type, 
  a.variant_id 
FROM 
  product_option_variants a 
WHERE 
  1 
  AND a.variant_id IN (
    83919, 83976, 83939, 83981, 84025, 84039, 
    84035, 84037
  )

Query time 0.00192

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "7.49"
    },
    "table": {
      "table_name": "a",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "variant_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 8,
      "rows_produced_per_join": 8,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "6.69",
        "eval_cost": "0.80",
        "prefix_cost": "7.49",
        "data_read_per_join": "384"
      },
      "used_columns": [
        "variant_id",
        "modifier",
        "modifier_type"
      ],
      "attached_condition": "(`goimagine`.`a`.`variant_id` in (83919,83976,83939,83981,84025,84039,84035,84037))"
    }
  }
}