UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TkvE3Tv1/493jZY7N79r9W0WN84eJqvJAr2EZ6otj6E=' 
WHERE 
  key_id = '3c8e0a20870189c6067574c678b5088596bc414b53912570534f24536973d73f' 
  AND (
    token = 'TkvE3Tv1/493jZY7N79r9W0WN84eJqvJAr2EZ6otj6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )