UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zit8KTZ61E0P9bJz6gM7YgTsU/il+diTAxpCU/WfuRw=' 
WHERE 
  key_id = '6866defc8b3ec0f464dc7152b5fbd85f144e1f897a8a5233c3a9a25a2015962d' 
  AND (
    token = 'Zit8KTZ61E0P9bJz6gM7YgTsU/il+diTAxpCU/WfuRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )