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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 (
    1707, 1708, 1709, 1710, 1711, 1712, 1713, 
    1714, 1715, 1716, 1717, 1718, 1719, 
    1720, 3733, 3735, 3736, 3737, 3738, 
    5371, 5372, 5373, 5374, 5375, 5376, 
    5377, 5378, 5379, 5380, 5381, 5382, 
    5383, 5384, 5385, 5386, 5387, 5388, 
    5389, 5390, 5391, 5392, 5393, 5394, 
    5395, 5396, 5397, 5398, 5399
  ) 
  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 0.00034

JSON explain

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