UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qpQkftbjpxmaxAXr4JpUiYvS18hu2z+oSgMu+txtd+Y=' 
WHERE 
  key_id = '83c2619fae8323b3bb31cfd05113c0df835c621eaea5eef78ef76c0a28dee546' 
  AND (
    token = 'qpQkftbjpxmaxAXr4JpUiYvS18hu2z+oSgMu+txtd+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )