UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1nTsFZSBEUM9KkPE9Or3sqDT5DhtVUsCSEVolszUDbs=' 
WHERE 
  key_id = '6bdde5f798e8491d33c7fb24ddd2773d42b23368139d54fc7f211126cc25db57' 
  AND (
    token = '1nTsFZSBEUM9KkPE9Or3sqDT5DhtVUsCSEVolszUDbs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )