UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vlFNqXMpKgb3q9AGDEA7QdkmVAXLz4icy3pkRDJOgws=' 
WHERE 
  key_id = '79ab556d74ff9472d59b385bb8dd92be42f0492be6664cd489999127f012e850' 
  AND (
    token = 'vlFNqXMpKgb3q9AGDEA7QdkmVAXLz4icy3pkRDJOgws=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )