UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/UWpKzUm7Q4yfj9UsXUAZWvQrVVWKwjfbz0spVC6xc8=' 
WHERE 
  key_id = 'a3f3762b37a4a1660a0d8b51f9a2d27e7531f366afd093f702c735604ab02f64' 
  AND (
    token = '/UWpKzUm7Q4yfj9UsXUAZWvQrVVWKwjfbz0spVC6xc8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )