SELECT 
  cscart_product_review_prepared_data.product_id AS product_id, 
  cscart_product_review_prepared_data.average_rating AS average_rating, 
  cscart_product_review_prepared_data.reviews_count AS reviews_count 
FROM 
  cscart_product_review_prepared_data 
WHERE 
  cscart_product_review_prepared_data.product_id IN (
    9126, 23377, 23652, 10370, 23378, 9766, 
    38916, 65059, 26052, 9767, 23380, 23383, 
    37030, 38919, 68325, 26053, 8969, 11174, 
    23379, 37060, 17399, 23381, 36362, 
    36464
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00057

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "12.95"
    },
    "table": {
      "table_name": "cscart_product_review_prepared_data",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "storefront_id"
      ],
      "key_length": "7",
      "rows_examined_per_scan": 24,
      "rows_produced_per_join": 24,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "10.55",
        "eval_cost": "2.40",
        "prefix_cost": "12.95",
        "data_read_per_join": "384"
      },
      "used_columns": [
        "product_id",
        "storefront_id",
        "average_rating",
        "reviews_count"
      ],
      "attached_condition": "((`cscart_db`.`cscart_product_review_prepared_data`.`storefront_id` = 0) and (`cscart_db`.`cscart_product_review_prepared_data`.`product_id` in (9126,23377,23652,10370,23378,9766,38916,65059,26052,9767,23380,23383,37030,38919,68325,26053,8969,11174,23379,37060,17399,23381,36362,36464)))"
    }
  }
}