UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLelvqs88RHt2qa1ICywzeFGkko5nv1aW+uC7iIV7fk=' 
WHERE 
  key_id = '6811e9db3defafc6fbae90eb600aa20963da6bbf5a09822d8ab12ec230176344' 
  AND (
    token = 'RLelvqs88RHt2qa1ICywzeFGkko5nv1aW+uC7iIV7fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )