UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mOZfygZqYCPrKse7WhmGpDxWeMjEIafbbd3om/XaGaU=' 
WHERE 
  key_id = '938111d4495c9b74103df4d446bd429d292bf9f119820fdd724ebebb2dbcf97a' 
  AND (
    token = 'mOZfygZqYCPrKse7WhmGpDxWeMjEIafbbd3om/XaGaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )