UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Epx31es3LlKD8iGzqEqAyWA5zHbl9poxoDcWqLlEuxI=' 
WHERE 
  key_id = 'dc3c6e6ef78598e6708680441c38588e41d71461389196d0dfeeec953ad846bb' 
  AND (
    token = 'Epx31es3LlKD8iGzqEqAyWA5zHbl9poxoDcWqLlEuxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )