UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Snt8w9dnMEjiWo7iMksixFHpxfw77/x6O6U9dngBfGs=' 
WHERE 
  key_id = '786728a35f05095b9e0638bd2e0b826d4eb2b66fcb6838cd548b4484bef488c8' 
  AND (
    token = 'Snt8w9dnMEjiWo7iMksixFHpxfw77/x6O6U9dngBfGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )