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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 (
    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, 3027, 3301, 6847, 3300, 
    2841, 2842, 2843, 2844, 6426
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00027

JSON explain

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