UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd4cBzEhVClGB5rIGkd2oEPoKH397BGbu4/pPQNXstMs=' 
WHERE 
  key_id = '8fb50044c1d233f7b8fa241f98740cde2666c3b57417f624b201192648af7b17' 
  AND (
    token = 'd4cBzEhVClGB5rIGkd2oEPoKH397BGbu4/pPQNXstMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )