UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TxhZ4h/0HbGDu3HPbxhPpgKttW4aPoukIVQzPaNHTxc=' 
WHERE 
  key_id = '5b4281ac9bb11bede26a0e186697d84548b8e1c598f85521582e97f725e22df6' 
  AND (
    token = 'TxhZ4h/0HbGDu3HPbxhPpgKttW4aPoukIVQzPaNHTxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )