UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RU9jyXNXU2N+XqTPaUxOr2xrxPp01HD6HEwPzq5zfWg=' 
WHERE 
  key_id = '99a58e2587b9031cb09dfbcd855d171e38e73d9aeb1cec0aa11829360267081b' 
  AND (
    token = 'RU9jyXNXU2N+XqTPaUxOr2xrxPp01HD6HEwPzq5zfWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )