UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '91GTqLoDu9LJaHtFy+9EIstGDSGuHHQanFlf78/JwGg=' 
WHERE 
  key_id = 'e6354646eb6996873ee13062ff65b3d04b113a14de935806d85ca636bae182fc' 
  AND (
    token = '91GTqLoDu9LJaHtFy+9EIstGDSGuHHQanFlf78/JwGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )