UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMWX5MdxYlcasry0WjKQUElpZ6tlrqev/JjbIaDeJno=' 
WHERE 
  key_id = '6cae54074a109685a68e56d9a03ba34a4f9fd81d39f6243dca70d866dc3c79ee' 
  AND (
    token = 'RMWX5MdxYlcasry0WjKQUElpZ6tlrqev/JjbIaDeJno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )