UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCWxw2Vr1tk13lOgbLv085tSOomRV8xaXQNLDXE2Jvc=' 
WHERE 
  key_id = 'b974295a64a44120ede472da5047b071a9af0bfca8465bf0f83ca7ff898ca3d6' 
  AND (
    token = 'PCWxw2Vr1tk13lOgbLv085tSOomRV8xaXQNLDXE2Jvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )