UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DjWNE1Pqiv/wkLl6YTkF3ZiksjAINMLwKo4UiAnQhEE=' 
WHERE 
  key_id = '81f8a20f2d577892af9cc660ec9e4f49aa5d7d2cdea6001859426e46541f18a7' 
  AND (
    token = 'DjWNE1Pqiv/wkLl6YTkF3ZiksjAINMLwKo4UiAnQhEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )