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SELECT 
  cscart_ult_product_prices.product_id, 
  MIN(
    IF(
      cscart_ult_product_prices.percentage_discount = 0, 
      cscart_ult_product_prices.price, 
      cscart_ult_product_prices.price - (
        cscart_ult_product_prices.price * cscart_ult_product_prices.percentage_discount
      )/ 100
    )
  ) AS price 
FROM 
  cscart_ult_product_prices 
WHERE 
  cscart_ult_product_prices.product_id IN (
    6358, 6359, 6360, 6361, 6362, 6363, 6364, 
    6365, 6431, 6432, 6433, 6434, 6435, 
    6436, 6437, 6438, 6439, 6440, 6441, 
    6442, 6443, 6444, 6445, 6446, 6447, 
    6526, 6527, 6528, 6529, 6530, 6531, 
    6532, 6533, 6534, 6615, 6616, 6617, 
    6618, 6619, 6620, 6621, 6622, 2272, 
    2273, 2274, 2275, 2276, 2340, 2341, 
    2342, 2343, 2344, 2345, 2346, 2347, 
    2348, 2421, 2422, 2423, 2424, 2425, 
    2426, 2427, 2428, 2429, 2430, 2431, 
    2432, 2433, 2434, 2435, 2436, 2437, 
    2438, 2519, 2520, 2521, 2522, 2523, 
    2524, 2525, 2526, 2527, 2608, 2609, 
    2610, 2611, 2612, 2613, 2614, 2615, 
    2616, 5872, 5873, 5874, 5875
  ) 
  AND cscart_ult_product_prices.lower_limit = 1 
  AND cscart_ult_product_prices.company_id = 1 
  AND cscart_ult_product_prices.usergroup_id IN (0, 0, 1) 
GROUP BY 
  cscart_ult_product_prices.product_id

Query time 0.00028

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}