UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BkL4vEf8xdjd6XmfZzqUFXgroeMmeE8SfBctd2Yt82g=' 
WHERE 
  key_id = '9bf7177286f846506f71a4401da89323824b45c363c89632b09864ac462fedda' 
  AND (
    token = 'BkL4vEf8xdjd6XmfZzqUFXgroeMmeE8SfBctd2Yt82g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )