UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v/L8vRGIYfzl9BSOJX1heW/5zJD8Il2Bo9WsLDpof5U=' 
WHERE 
  key_id = '818f2e0deb4ca61595c2c5140b7dea2aa4cb1736d4997027f62d2ac313aaae21' 
  AND (
    token = 'v/L8vRGIYfzl9BSOJX1heW/5zJD8Il2Bo9WsLDpof5U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )