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 (
    70149, 69350, 69997, 65553, 65832, 65096, 
    67762, 68110, 67730, 68008, 68009, 
    68052, 68065, 65122, 68039, 68071, 
    68085, 68086, 68101, 64976, 67769, 
    68057, 68058, 69972, 19741, 19744, 
    19748, 27363, 27368, 27370, 68038, 
    68089, 68099, 69999, 19742, 19743, 
    19745, 19746, 19747, 19749, 19750, 
    19751, 19752, 19753, 19754, 19755, 
    27337, 27339
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00070

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "26.95"
    },
    "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": 48,
      "rows_produced_per_join": 48,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "22.15",
        "eval_cost": "4.80",
        "prefix_cost": "26.95",
        "data_read_per_join": "768"
      },
      "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 (70149,69350,69997,65553,65832,65096,67762,68110,67730,68008,68009,68052,68065,65122,68039,68071,68085,68086,68101,64976,67769,68057,68058,69972,19741,19744,19748,27363,27368,27370,68038,68089,68099,69999,19742,19743,19745,19746,19747,19749,19750,19751,19752,19753,19754,19755,27337,27339)))"
    }
  }
}