Three new films--the "prequels" to the original trilogy--debuted in 1999, and while each earned the ire of critics and the indifference of die-hard fans, they nonetheless broke box-office records.
Unless a family member has access to it (you must not only give the person a key, but must also sign a form at the bank authorizing that designee to open it), the box could be sealed when you die, and it might take court action by your heirs to get it opened.