UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6PJ+UBVwUCo7ODANcawIYa4v7CshIKHsEPOI+ODKanA=' 
WHERE 
  key_id = '7fdde854a5b45662e25c909b8bab5fee8ca8845215bfe5f89fce059f3400c2a3' 
  AND (
    token = '6PJ+UBVwUCo7ODANcawIYa4v7CshIKHsEPOI+ODKanA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )