UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T2gaRxZi9SwWqfyLgz/DENTnlLXGBJNeKOHQfB2hPbg=' 
WHERE 
  key_id = '281c9c2f213d33479b25f84e7ec77441631a074aa673487381b59ab7583606e8' 
  AND (
    token = 'T2gaRxZi9SwWqfyLgz/DENTnlLXGBJNeKOHQfB2hPbg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )