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 (
    6418, 6419, 6420, 6421, 2823, 2824, 2825, 
    2826, 6408, 6409, 6410, 6411, 6412, 
    2827, 2828, 2829, 2830, 2831, 6413, 
    6414, 6415, 6416, 2928, 2929, 2930, 
    2931, 2932, 6513, 6514, 6515, 6516, 
    3032, 6609, 3028, 3029, 3030, 3031, 
    6605, 6606, 6607, 6608, 6610, 6611, 
    6612, 6613, 3024, 3025, 3026
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "Impossible WHERE noticed after reading const tables"
  }
}