UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C6iWzSdVbu7ARIR4K9DxoTAAX5yXSB9D36zetLvc3/I=' 
WHERE 
  key_id = 'd52d939d7e8852edd9921b94c838a01bc7eb2bb3d85f1d84d8763a02e345378f' 
  AND (
    token = 'C6iWzSdVbu7ARIR4K9DxoTAAX5yXSB9D36zetLvc3/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )