UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kmXziqf9ws4d4+4mX5YkJ4nGIWBwuGi5VUgFTC53YVI=' 
WHERE 
  key_id = '6b17df87f8ac13e89469222070732cc0e38096f720ec7e14f449ff41651af510' 
  AND (
    token = 'kmXziqf9ws4d4+4mX5YkJ4nGIWBwuGi5VUgFTC53YVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )