This question has been answered by multiple community members. See the first response.
&where=`{"album_id":"72157685712003576","published":"1", "YEAR(datetaken)":"1990"}`
"YEAR(datetaken):<":"1990" "YEAR(datetaken):<":"'1990'" "YEAR(datetaken):BETWEEN:1980:AND:":"1990" "YEAR(datetaken)":"BETWEEN:1980:AND:1990" "datetaken":"<631152000" "datetaken:<":"631152000" "datetaken:<":"'631152000'"
SELECT * FROM `modx_migx_flickr_images` WHERE YEAR( `datetaken` ) BETWEEN 1980 AND 1990 ORDER BY `modx_migx_flickr_images`.`datetaken` DESC Zeige Datensätze 0 - 18 ( 19 insgesamt, Die Abfrage dauerte 0.0010 Sekunden) [datetaken: 1986-05-03 13:37:32 - 1981-09-15 10:08:11]
&where=`{"datetaken:>=":"1980-01-01 00:00:00","datetaken:<=":"1990-12-31 23:59:59"}`