UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xu51pexNCbPdu+SRAoO9+UosOg5r93+QjzovILkO+WU=' 
WHERE 
  key_id = '17e053ce4b8ba5e64c85ae633dcb7204de975996693a98c73f1f033370054937' 
  AND (
    token = 'xu51pexNCbPdu+SRAoO9+UosOg5r93+QjzovILkO+WU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )