UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '73gqSyw71VmSy6BFjHdqjofLHT7mh3ZoKpHWTtrP8D0=' 
WHERE 
  key_id = '3f6585828abf99de75a55c99b0c9b2931246a13c051994e07338987c28aaeffe' 
  AND (
    token = '73gqSyw71VmSy6BFjHdqjofLHT7mh3ZoKpHWTtrP8D0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )