UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9xel6YuOi1Jx6l6oNNd2DhLXNDMQE88owBOKqSWS7t0=' 
WHERE 
  key_id = '952e41f2024aba820fa40e05f8ba255f5aeb994a6af163f69be6c363c4b62673' 
  AND (
    token = '9xel6YuOi1Jx6l6oNNd2DhLXNDMQE88owBOKqSWS7t0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )