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 (
    8633, 8583, 8657, 8408, 8409, 10177, 
    8405, 8406, 9943, 16031, 54977, 8407, 
    8649, 36024, 36027, 26947, 36025, 26577, 
    34036, 30720, 12085, 26543, 26539, 
    31010, 39503, 12086, 40547, 40112, 
    40580, 12088, 40714, 33996, 12087, 
    26542, 36036, 33791, 40836, 40232, 
    40208, 40469, 40616, 26537, 40738, 
    36041, 40374, 40088, 40787, 40679, 
    40516, 40350
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00079

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "35.01"
    },
    "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": 50,
      "rows_produced_per_join": 50,
      "filtered": "100.00",
      "index_condition": "((`cscartdb`.`cscart_product_review_prepared_data`.`storefront_id` = 0) and (`cscartdb`.`cscart_product_review_prepared_data`.`product_id` in (8633,8583,8657,8408,8409,10177,8405,8406,9943,16031,54977,8407,8649,36024,36027,26947,36025,26577,34036,30720,12085,26543,26539,31010,39503,12086,40547,40112,40580,12088,40714,33996,12087,26542,36036,33791,40836,40232,40208,40469,40616,26537,40738,36041,40374,40088,40787,40679,40516,40350)))",
      "cost_info": {
        "read_cost": "30.01",
        "eval_cost": "5.00",
        "prefix_cost": "35.01",
        "data_read_per_join": "800"
      },
      "used_columns": [
        "product_id",
        "storefront_id",
        "average_rating",
        "reviews_count"
      ]
    }
  }
}