$buyRequestArr = array();
                    if ($buyRequest = $item->getProduct()->getCustomOption('info_buyRequest')) {
                        $buyRequestArr = unserialize($buyRequest->getValue());
                    }
                    Mage::log(print_r($buyRequestArr,true));
                    $buyRequestArr['options'][$optionId] = $actualSqFt;
                    $buyRequest->setValue(serialize($buyRequestArr)); //->save();
                    Mage::log(print_r($buyRequestArr,true));