UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IEw4GiBqF8EsWez+v7zVaeC5zd9YoqS24AZUSm47EyA=' 
WHERE 
  key_id = '6b02f003e2b2ea839e62fff457671992b97e5f12e9d5db6e6b2f0507b0b40b50' 
  AND (
    token = 'IEw4GiBqF8EsWez+v7zVaeC5zd9YoqS24AZUSm47EyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )