UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iuRZe5T44AU+mvweZBtDpdh2xqrYYmOId8S5B7Q44Dc=' 
WHERE 
  key_id = 'fa5ced7ea02149751e6ddbfe0db2b6130a613a0b899e47c85c564ee6804bac56' 
  AND (
    token = 'iuRZe5T44AU+mvweZBtDpdh2xqrYYmOId8S5B7Q44Dc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )