UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V9e2aNVi4CvNvXylONmHHdm0zWq2dbfqXlpXz6wUDSw=' 
WHERE 
  key_id = '4c6815b23cf424b78179808e059c34b8f1941078a2ad8a31a084a35ac1ddadf3' 
  AND (
    token = 'V9e2aNVi4CvNvXylONmHHdm0zWq2dbfqXlpXz6wUDSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )