UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fi9HCqJSsr84arg0U8GegfOVM278G6hmd8/6a0wyW1o=' 
WHERE 
  key_id = '4ce426f409d12feb389b531ea321868c7997f2e50c5fbedee44ef85a3daea3d5' 
  AND (
    token = 'Fi9HCqJSsr84arg0U8GegfOVM278G6hmd8/6a0wyW1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )