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 (
    232, 230, 231, 79, 239, 238, 23, 255, 5, 
    8, 1, 165, 166, 167, 101, 164
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00176

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_product_review_prepared_data",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "7",
          "used_key_parts": ["product_id", "storefront_id"],
          "rows": 16,
          "filtered": 100,
          "index_condition": "cscart_product_review_prepared_data.storefront_id = 0 and cscart_product_review_prepared_data.product_id in (232,230,231,79,239,238,23,255,5,8,1,165,166,167,101,164)"
        }
      }
    ]
  }
}