UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VFgj9e5GPj6/V9b1yM/HoeCWrI8ZIw0JgUGh8iGqoXk=' 
WHERE 
  key_id = '94d28ac9816a5944c47d051c8bef12685f4996d7cbc5cdfcf3c4c794e883a41c' 
  AND (
    token = 'VFgj9e5GPj6/V9b1yM/HoeCWrI8ZIw0JgUGh8iGqoXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )