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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 (
    51567, 51480, 51565, 51564, 51479, 139, 
    129, 51566, 51301, 51494, 51, 50, 51497, 
    51498, 51495, 51563, 53, 22713, 21, 
    22714, 22712, 46, 22715, 22716, 51496, 
    21567, 91, 50989, 105, 48, 49, 92, 137, 
    88, 126, 31, 51358, 115, 80, 37, 11, 140, 
    41, 30, 90, 38, 124, 81, 56, 82, 116, 117, 
    125, 106, 39, 193, 40, 22710, 22711, 
    17, 57, 122, 58, 5
  ) 
  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"
  }
}