UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hwBUhWxl812P9pRIXsDvh4P6QwsPdTXvRNM6mI2XWaM=' 
WHERE 
  key_id = '6ed43d891fa74691920b231c15e083bfdedc2de0aeabb31329fa23c3c403846b' 
  AND (
    token = 'hwBUhWxl812P9pRIXsDvh4P6QwsPdTXvRNM6mI2XWaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )