UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PQVc8PWgAqFot9L8XhXwKDyATVpcTbC7gGP0qO3at/E=' 
WHERE 
  key_id = '16d9168a8fd3775bccd0e0e8f2c93c509d26eaba495aca99946a468a6cf78852' 
  AND (
    token = 'PQVc8PWgAqFot9L8XhXwKDyATVpcTbC7gGP0qO3at/E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )