According to this article in barks website, YUI LOCKS revival will last for an extension of about 3 months time.
TOKYO FM??????SCHOOL OF LOCK????????????22:00?23:55 ??38?????????YUI LOCKS????6?21???????3???????????????????
?YUI LOCKS????2006???2008??????????YUI???????????????????????1?????6?21??????SCHOOL OF LOCK???????????“YUI LOCKS?”???????????
YUI??????????????????????????????????????????????????????????????????????????????????????????????????to Mother??????2010?????????????????YUI???????????????????????????????
?YUI LOCKS?????????SCHOOL OF LOCK????
???? 23:05?????38?????
Source: Barks.jp
More information in SHOOL OF LOCK website and our forum