UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L8vIZYXYolxtykwa8KuudAvmZHLVaPs5n2BHf/tb6bk=' 
WHERE 
  key_id = '20b7907e335c0729f43ef57d5de5d0066dc07125efa9c4db877ee3dd80f37459' 
  AND (
    token = 'L8vIZYXYolxtykwa8KuudAvmZHLVaPs5n2BHf/tb6bk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )