UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k3o32R68NpzVbnypUWcrBu4PJmwgzhBT34Gdk10rjyY=' 
WHERE 
  key_id = '54573668d658cb8350bab0e86c6963c0034934b1571a5b96f4b1e2a5d0391fd1' 
  AND (
    token = 'k3o32R68NpzVbnypUWcrBu4PJmwgzhBT34Gdk10rjyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )