UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vmdOcPIfKNm7JlqH7GqKfCPoB0mAwCN9dFg8UcuABMc=' 
WHERE 
  key_id = '1ba42f83110fba52a1983cf73312b122d704a5d5634d6ee587ccd2b310cf61e4' 
  AND (
    token = 'vmdOcPIfKNm7JlqH7GqKfCPoB0mAwCN9dFg8UcuABMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )