function main() {

    // get all keywords with label "high_performing_keywords" 
    // and that have less than 50 clicks yesterday
    var keywords = AdsApp.keywords()
        .withCondition('LabelNames CONTAINS_ANY ["high_performing_keywords"]')
        .withCondition('Clicks < 50')
        .forDateRange('YESTERDAY')
        .get();
    
    while (keywords.hasNext()){
        var keyword = keywords.next();
        var oldBid = keyword.bidding().getCpc();
 
        //increase bid by 10%
        var newBid = oldBid * 1.10;
 
        keyword.bidding().setCpc(newBid);
    }

}