UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QqhMHpuwg+Ycn9iuL1MSvTabLaXK8mNmrjhEaVur0OY=' 
WHERE 
  key_id = '4a66303a73dd8df730b3178fa992e7661c4cb2823313a9c88f5fcbc0888520e9' 
  AND (
    token = 'QqhMHpuwg+Ycn9iuL1MSvTabLaXK8mNmrjhEaVur0OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )