UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8eUiZXaijJ5Yw4aMdWaG3fuwkZLPYUaKAlqxyQmnPmA=' 
WHERE 
  key_id = '2684b233e5bced03bb608b17863a4451db3b26a8450ab2d22ab6fe57f4e3344a' 
  AND (
    token = '8eUiZXaijJ5Yw4aMdWaG3fuwkZLPYUaKAlqxyQmnPmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )