UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lerr6TgxmPKVC6iWn9dRre029YqXx51Ruzpe7yGU+T0=' 
WHERE 
  key_id = '5279e1ffd40a33033a1a839679daf2bf8501c505b6cba3634e063230845d651f' 
  AND (
    token = 'Lerr6TgxmPKVC6iWn9dRre029YqXx51Ruzpe7yGU+T0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )