UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ymx5MYklyaf5C64jdCy4+cwkGgAuCAWJCUKNZiHC/Q=' 
WHERE 
  key_id = '54c4fee56be9dbc612964c44b42ddb24896001962556e8922d9862acb1ea5fc8' 
  AND (
    token = '6ymx5MYklyaf5C64jdCy4+cwkGgAuCAWJCUKNZiHC/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )