UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3L8mmh6fgq531GJAuSGEN2nwFTePMwmfmjSvh4px6+A=' 
WHERE 
  key_id = '03dbcc909b8276adf9bf16d8325ba0f815ea35d181ca4045712a5da08e3004b8' 
  AND (
    token = '3L8mmh6fgq531GJAuSGEN2nwFTePMwmfmjSvh4px6+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )