UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+7yVEqsNRpah1qWOAtSYnSLnPjxbmSp4nzxEzGCAjE=' 
WHERE 
  key_id = 'c6b243d643215ee70518c4de9f8d5612a2a76be763b9762f13dede23eb1d19ea' 
  AND (
    token = 'u+7yVEqsNRpah1qWOAtSYnSLnPjxbmSp4nzxEzGCAjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )