User searched: 

DECODE works. Sample decrypted usernames:
  - |63+t??=:
  - |63?s?9C
  - |63?^?_+

Search result (no status filter):
  card_id=50725, status=2, uname=
  card_id=50728, status=2, uname=
  card_id=50731, status=2, uname=

Search as plain text:
  card_id=50725, status=2, field=
  card_id=50728, status=2, field=
  card_id=50731, status=2, field=