UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wNUmuGihIu9EnhnfZDT//yPzB7codwGpPENMGjOWx+g=' 
WHERE 
  key_id = '433eb3eb978937a02c3f19f30d3175810aed733114a863985019bf210bfaece4' 
  AND (
    token = 'wNUmuGihIu9EnhnfZDT//yPzB7codwGpPENMGjOWx+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )