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 (
    65070, 69192, 68307, 34809, 69790, 70134, 
    11758, 65190, 69791, 65192, 6868, 8928, 
    11756, 11757, 11759, 69733, 69741, 
    69778, 65163, 65184, 38456, 65178, 
    64480, 65177
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00036

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 (65070,69192,68307,34809,69790,70134,11758,65190,69791,65192,6868,8928,11756,11757,11759,69733,69741,69778,65163,65184,38456,65178,64480,65177)))"
    }
  }
}