UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/kj/c9GSgshkNlmbmaUTM66UwqEpfxiVq3lY2wQXNI=' 
WHERE 
  key_id = '9a4c779b45d53f14791227adaad85a59da19be29d4fe4352e0bc66d439aa0587' 
  AND (
    token = 'r/kj/c9GSgshkNlmbmaUTM66UwqEpfxiVq3lY2wQXNI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )