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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 (
    51020, 51027, 51067, 51423, 51435, 51031, 
    51028, 51062, 51431, 51441, 51033, 
    51026, 51030, 51032, 51425, 51432, 
    51042, 51070, 51434, 51035, 51066, 
    51041, 51059, 51039, 51064, 51069, 
    51038, 51040, 51050, 51065, 51023, 
    51056
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 1

Query time 0.00029

JSON explain

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