UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9L7zZqhpSwpC67J8XyrpVUCOTjqI4sJcbN4sJLslqck=' 
WHERE 
  key_id = '6f4263700e97a00b51c8613806bc6947d7476eab7f0eb816bc5a788b023d8384' 
  AND (
    token = '9L7zZqhpSwpC67J8XyrpVUCOTjqI4sJcbN4sJLslqck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )