如何在mysql数据库中更新值时自动发送电子邮件

i design an application and build with phonegap all is working but when a value in my mysql database that is attached the app is updated i want an email to be sent automatically to the user. When the counter completes counting the value of "status" in runnindAds table is updated and i want to an email to be sent each time that value is updated, below is the script i wrote for the email to be sent but i don't know how to automate it, please help with what i can should or i cani design an application and build with phonegap