UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U33Vy/YlD1ajAQ7e1D0rQK8/0ZJi+P/f0XgMfl3WhN0=' 
WHERE 
  key_id = '50f9662da281fe7c4e596a28c830fa4cb5726f7859872aab87912243f2b72889' 
  AND (
    token = 'U33Vy/YlD1ajAQ7e1D0rQK8/0ZJi+P/f0XgMfl3WhN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )