def METHOD_NAME():
    """
    Looks up the agent's kubernetes_pod_expiration_duration option and returns either:
      - None if expiration is disabled (set to 0)
      - A (timezone aware) datetime object to compare against
    """
    try:
        seconds = int(get_config("kubernetes_pod_expiration_duration"))
        if seconds == 0:  # Expiration disabled
            return None
        return datetime.utcnow().replace(tzinfo=UTC) - timedelta(seconds=seconds)
    except (ValueError, TypeError):
        return None