UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V4GTvjARoUnCARhrOzOe4OhrcnNYZAyZ6R5LUpfOq5k=' 
WHERE 
  key_id = '3791be833d6ac840b8c06d83862d73e148f2166562e1268ebace8b546b99d658' 
  AND (
    token = 'V4GTvjARoUnCARhrOzOe4OhrcnNYZAyZ6R5LUpfOq5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )