UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l2fcDjJBt2KZgaIXIIvpeNsycIkb8yjKJteiS9Guxrs=' 
WHERE 
  key_id = '6b441c21d13192d300f308c9ff15c87f39b2c2c5aa7ba4abb8b5b61462fb270a' 
  AND (
    token = 'l2fcDjJBt2KZgaIXIIvpeNsycIkb8yjKJteiS9Guxrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )