Add Checkbox False to Apex Class

Need a way to put this class on hold Apex Class = BatchOwnerChangeOnPercentFunded String query='select id,funded_date__c,percent_funded__c,ownerid,accountid from opportunity where percent_funded__c>0 and percent_funded__c<100 '+ ' and stageName=\'funded\' and funded_date__c!=null and opportunity_type__c in (\'New Loan\',\'Concurrent\',\'Tier Up\',\'Renewal\') '+ ' and recently_funded__c=true order by funded_date__c desc'; [login to view URL](query); return [login to view URL](query); Can we add and Checkbox and include it in the string, string include Checkbox is false. and to put on hold we would check the box where checkbox = true and remove from hold we just remove the check from the checkbox.