UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r7t93pUOFOMDiKFfod5AAZCVlsMUi9469CNFEbNiRkA=' 
WHERE 
  key_id = '755a92f16c0e7fa81daf01b9dfce360c88612291ece9d9c04e77756956b17515' 
  AND (
    token = 'r7t93pUOFOMDiKFfod5AAZCVlsMUi9469CNFEbNiRkA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )