UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/1xHwUJWO8iYlDqJopptUfGqZo3Dfb3YJYuQknftyKs=' 
WHERE 
  key_id = 'd557f63320955bd4dbdc8b8d9e368dbc7be2556fc8abb118f36a4dcbbba3f228' 
  AND (
    token = '/1xHwUJWO8iYlDqJopptUfGqZo3Dfb3YJYuQknftyKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044