Expire

import com.atlassian.jira.component.ComponentAccessor
import com.deiser.jira.profields.api.field.date.DateField
import com.deiser.jira.profields.api.field.FieldService
import com.deiser.jira.profields.api.value.ValueService

// MODIFY WITH THE EXPIRATION DATE ID OF YOUR JIRA INSTACE
def EXPIRATION_DATE_FIELD_ID = 33

Calendar getCalendarWithoutTime(Date date) {
    Calendar calendar = new GregorianCalendar()
    calendar.setTime(date)
    calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0)
    calendar.set(Calendar.MILLISECOND, 0)
    return calendar;
}

def fieldService = ComponentAccessor.getOSGiComponentInstanceOfType(FieldService.class)
def valueService = ComponentAccessor.getOSGiComponentInstanceOfType(ValueService.class)
def expirationDateField = fieldService.get(EXPIRATION_DATE_FIELD_ID)
def expirationDate = valueService.getValue(project,  (DateField)expirationDateField)

if (expirationDate == null) {
    return false
}

Calendar expired = getCalendarWithoutTime(expirationDate)
Calendar actual = getCalendarWithoutTime(new Date())
return actual.compareTo(expired)>0