Help with rtmpe link

[lhw455]

Hi there, I'm trying to get this stream working in XBMC. Using rtmpdumphelper, I get the following:

Streaming on rtmp://0.0.0.0:1935
Processing connect
       app : live?token=l9RZ6KRY2T582FnuHU7EPAExpired=1429561375
  flashVer : WIN 16,0,0,305
    swfUrl : http://www.castfree.net/player.swf
     tcUrl : rtmpe://198.144.159.125/live?token=l9RZ6KRY2T582FnuHU7EPAExpired=14
29561375
   pageUrl : http://www.castfree.net/embed.php?a=8455&id=&width=500&height=350&a
utostart=true&strech=
WARNING: Trying different position for server digest!
      live : yes
  Playpath : str9f08c85
 Saving as : 2015-04-20_08-22-57_str9f08c85.flv
INFO: Metadata:
INFO:   duration                0.00
INFO:   fileSize                0.00
INFO:   width                   640.00
INFO:   height                  360.00
INFO:   videocodecid            avc1
INFO:   videodatarate           400.00
INFO:   framerate               20.00
INFO:   audiocodecid            mp4a
INFO:   audiodatarate           48.00
INFO:   audiosamplerate         44100.00
INFO:   audiosamplesize         16.00
INFO:   audiochannels           2.00
INFO:   stereo                  TRUE
INFO:   encoder                 Open Broadcaster Software v0.651b
WARNING: ignoring too small audio packet: size: 0

However, running this again, I get different app and tcURL values. So my question is, is it possible to stream rtmpe links (I think yes). If so, how do I get it working based on the dynamic nature of the values? I got it working once in VLC using the following, but it didn't work again, presumably based on the changing values mentioned above.

rtmpdump -v -r "rtmpe://199.66.90.171/live" -a "live?token=5hri4jRuhQBzLBX43Tz-1AExpired=1429556272" -f "WIN 16,0,0,305" -W "http://www.castfree.net/player.swf" -p "http://www.castfree.net/embed.php?a=8455" -C S:OK -y "str9f08c85" --quiet | "C:\Program Files (x86)\VideoLAN\VLC\vlc.exe" -

Thanks in advance!