UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QxovhnknJJS7QD2iArRXqkfW6OaWcisuCOE2EGX1oB8=' 
WHERE 
  key_id = '8e39222468e60410be54152c795cabd6b1b93b5500f020bf7a3d2666ea51cc0f' 
  AND (
    token = 'QxovhnknJJS7QD2iArRXqkfW6OaWcisuCOE2EGX1oB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )