SELECT 
  cscart_product_prices.product_id, 
  MIN(
    IF(
      cscart_product_prices.percentage_discount = 0, 
      cscart_product_prices.price, 
      cscart_product_prices.price - (
        cscart_product_prices.price * cscart_product_prices.percentage_discount
      )/ 100
    )
  ) AS price 
FROM 
  cscart_product_prices 
WHERE 
  cscart_product_prices.product_id IN (
    96636, 96635, 96634, 96633, 96632, 96631, 
    96630, 96629, 96628, 96627, 96626, 
    95927, 95925, 95924, 95919, 95918, 
    95917, 95916, 95915, 95914, 95913, 
    95912, 95911, 95910, 95909, 95908, 
    95907, 95906, 95905, 95904, 95903, 
    95902, 95901, 95900, 95899, 96116, 
    96115, 95890, 95889, 95888
  ) 
  AND cscart_product_prices.lower_limit = 1 
  AND cscart_product_prices.usergroup_id IN (0, 1) 
GROUP BY 
  cscart_product_prices.product_id