UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L9EzQDJIGyEvbEhFGoKFOj7eHBgvQARMxXIhXut1znU=' 
WHERE 
  key_id = 'eee9ed54c756d8b481db5fbe99bd5f50f5bd5ed3e0463ca91d1a406caf0e2919' 
  AND (
    token = 'L9EzQDJIGyEvbEhFGoKFOj7eHBgvQARMxXIhXut1znU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )