UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/m/qab5mYcSgG75TE0CPf2aJ/iG6TcHOvLOUTEQp8pc=' 
WHERE 
  key_id = '9a13edb4ef01d6a9d2cedcbfa54455c439a674843537cfc749f2b1514782d639' 
  AND (
    token = '/m/qab5mYcSgG75TE0CPf2aJ/iG6TcHOvLOUTEQp8pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )