UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '36Ek2ua1g/Lv22sadYW6Yw7oe0XknPlGXy1+RlFXlmc=' 
WHERE 
  key_id = '6ca27e0ede464225d8f188e97d4695584c727525db1f39a84ab7774073a00326' 
  AND (
    token = '36Ek2ua1g/Lv22sadYW6Yw7oe0XknPlGXy1+RlFXlmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )