UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rt5qtIbe79jOnvgxkiTjkMuFqJj/RtJ1kg50AMaxUMc=' 
WHERE 
  key_id = '3068847cdfeb4709be209d5cb202232a41bb9a196e3f935e86875edcf142b0ab' 
  AND (
    token = 'rt5qtIbe79jOnvgxkiTjkMuFqJj/RtJ1kg50AMaxUMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )