I do not test it, but I hope that it works for you.
$collection = Mage::getModel('model/model')->getCollection()
->addFieldToFilter('column1',array('eq'=> $value1))
->addFieldToFilter('column2',array('eq' => $value2))
;
foreach($collection as $coll)
{
Mage::getModel('module/model')->load($coll->getId())->delete();
}
source
share