UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mW3tvTwZEEkxsviy0nfL9SFI2LgdxwqHwxU4U1W8bxc=' 
WHERE 
  key_id = '0828d3e58f78a6c3f4c33c3357cc23888ed9d5f14f5ccc9f42f44a0205059a43' 
  AND (
    token = 'mW3tvTwZEEkxsviy0nfL9SFI2LgdxwqHwxU4U1W8bxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )