UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6cRrwO7zYiJSP4MYJEY80x5vPzEAP0GwmWWkq2dRIfg=' 
WHERE 
  key_id = '3d4dc9c041773cdb621c907b92e31ccdfa43887faa66f85d9c098aed18349677' 
  AND (
    token = '6cRrwO7zYiJSP4MYJEY80x5vPzEAP0GwmWWkq2dRIfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )