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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 (
    189, 190, 191, 192, 193, 194, 195, 226, 
    227, 228, 229, 230, 231, 232, 264, 265, 
    266, 267, 268, 269, 270, 318, 319, 320, 
    321, 322, 323, 3961, 3962, 3963, 3964, 
    3965, 3966, 3967, 4006, 4007, 4008, 
    4009, 4010, 4011, 4012, 4066, 4067, 
    4068, 4069, 4070, 4071, 4072
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00039

JSON explain

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