UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VKL/3vVTRrj4Stju2jHjBnXD4VB40cONN4LNeQcQYJQ=' 
WHERE 
  key_id = '81f48dcc17d13b437be4da22262749d0c40f2332d9bf309360604008e2feb148' 
  AND (
    token = 'VKL/3vVTRrj4Stju2jHjBnXD4VB40cONN4LNeQcQYJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )