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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 (
    6198, 6199, 6200, 6732, 2836, 2837, 2838, 
    2839, 2840, 6422, 6423, 6424, 6425, 
    2937, 2938, 2939, 2940, 2941, 6522, 
    6523, 6524, 6525, 2189, 2190, 2191, 
    2192, 2193, 2194, 2195, 2196, 2197, 
    2720, 2721, 2722, 2723, 2769, 2770, 
    2771, 2772, 2773, 2774, 2775, 2776, 
    2777, 2845, 2846, 2847, 2848, 2849, 
    2850, 2851, 2852, 2853, 2854, 2855, 
    2856, 2857, 2858, 2859, 2860, 2861, 
    2862, 2942, 2943, 2944, 2945, 2946, 
    2947, 2948, 2949, 2950, 3037, 3038, 
    3039, 3040, 3041, 3042, 3043, 3044, 
    3045, 3853, 5790, 5791, 5792, 5793, 
    5794, 5795, 5796, 5797, 5798, 6307, 
    6308, 6309, 6310, 6311, 6357
  ) 
  AND cscart_product_review_prepared_data.storefront_id = 0

Query time 0.00028

JSON explain

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