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 (
    35990, 66790, 35963, 35985, 35979, 35966, 
    36006, 35999, 35961, 35987, 36004, 
    35993, 67030, 35977, 36005, 35980, 
    68793, 35967, 36007, 35971, 35973, 
    35978, 35960, 35995
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00049

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "15.07"
    },
    "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": "12.67",
        "eval_cost": "2.40",
        "prefix_cost": "15.07",
        "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 (35990,66790,35963,35985,35979,35966,36006,35999,35961,35987,36004,35993,67030,35977,36005,35980,68793,35967,36007,35971,35973,35978,35960,35995)))"
    }
  }
}