Create a Smart Folder based on an EXIF keyword

Here's the steps I used to do what you're looking for which seem to be working the way you want.

Open Finder and click File > New Smart Folder - or press ⌥⌘N

Then setup as I have in the screenshot below and click 'Save' near the top right.

Then, when the little drop-down menu appears for you to save, select the options like I have below.

Now, you'll get a window left behind like this.

Now, close your new Smart Folder. Then in Finder, open a normal finder window with either File > New Finder Window or ⌘N

Your 'TV' Smart Folder will be listed under the 'Search For' section on the bottom-left if you expand it out, like so

A 'Smart folder' is in principle a XML formatted file that, when opened, returns a Spotlight search result. To create a Smart folder you can add multiple search terms by pressing the + (or alt+). For example, you can choose to only return files that where created in the last 7 days. Although there is a profusion of search terms, some are still missing (like searching within the last 5 minutes).

The commandline version of Spotlight is mdfind (manual). Although harder to use, mdfind commands are more flexable than the Smart folder/Spotlight alternative. You can, for example, search for files that were created in the last 5 minutes like this:

mdfind 'kMDItemFSCreationDate > "$time.now(-300)"'

Or were changed in the last 10 minutes:

mdfind 'kMDItemFSContentChangeDate > "$time.now(-600)"'

Fortunatly Smart folders support the mdfind command! To use mdfind search commands do the following:

1. Go to Finder and press CommandF to start a new Smart folder.

2. In the search-items bar you can select 'Other...' from the drop down menu. Search for 'Raw query' and add it to your search terms

3. Now enter your mdfind search query in the empty text field

   kMDItemFSCreationDate > $time.now(-600)
   

4. Save your search and you are done.