UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'que2gvDMloja9sgnPnzm6BZaL6Eol8GG80vDBBaCUmU=' 
WHERE 
  key_id = '6839b28a913e17f800a8a9d9c10beb92d78efdfc7b814ead2ee95eccada56288' 
  AND (
    token = 'que2gvDMloja9sgnPnzm6BZaL6Eol8GG80vDBBaCUmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )