UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lZt6QHJ7zbaZRmwSkjEkISqj5p55wx06DkYV3LJ/9zo=' 
WHERE 
  key_id = 'd55ee1abe2529ee231085288eee6c175e3af42396d024665fc8545953253149a' 
  AND (
    token = 'lZt6QHJ7zbaZRmwSkjEkISqj5p55wx06DkYV3LJ/9zo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )