UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sl5pncXVvh8PW7Fer5OnDx0HYqRfbEaJV4R9C3XeMdU=' 
WHERE 
  key_id = '4176b857ca294e50f0833d79467402321e6481d28c2f010b3098ff7791f5a96b' 
  AND (
    token = 'Sl5pncXVvh8PW7Fer5OnDx0HYqRfbEaJV4R9C3XeMdU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )