UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kkEWwzDJTUlIXj/8H9jJc9QBmNX5P5nPD8/DD+CpTD8=' 
WHERE 
  key_id = '81db478a0da1d8aee9e38fb5ae8018eed5681d1c9e1b50ea7d784373f0d37414' 
  AND (
    token = 'kkEWwzDJTUlIXj/8H9jJc9QBmNX5P5nPD8/DD+CpTD8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )