UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yxqg3Z40eiLYdE+8fv7/NiDWxwWrYNApWAo7TvuSjak=' 
WHERE 
  key_id = 'b49ea570417e83811d83a4ee8365a7dc39d24b6551b8b8d2ec10aced2bf70a18' 
  AND (
    token = 'yxqg3Z40eiLYdE+8fv7/NiDWxwWrYNApWAo7TvuSjak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )