Block a user
Mr.-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)+"*/
Mr.0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z
Mr.0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z
if(now()=sysdate(),sleep(15),0)
-1" OR 2+866-866-1=0+0+0+1 --
-1' OR 2+886-886-1=0+0+0+1 --
-1' OR 2+939-939-1=0+0+0+1 or 'zw9OnAsx'='
-1 OR 2+20-20-1=0+0+0+1 --
-1 OR 2+125-125-1=0+0+0+1