UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NPx/Yjr3YkPt7CMyJXVJLtK8xc1zxg5gE4gmFFI7t40=' 
WHERE 
  key_id = '951234aae8d0c7a91769f906704d934f617ed95ad95a5bb706753e282de71dd4' 
  AND (
    token = 'NPx/Yjr3YkPt7CMyJXVJLtK8xc1zxg5gE4gmFFI7t40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )