1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'waitfor delay '0:0:15' -- order by quantity desc' at line 1
select quantity, value, valuetyp from products_discountplus where products_id = 3839 and quantity <= 1 waitfor delay '0:0:15' -- order by quantity desc