UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '40KnRGbyBVxOC4PgTGj66IWIzcYZl4B795pLbN/fVu8=' 
WHERE 
  key_id = '447670f2523eec7409004b965bd51a78e7fa753a99f3def35a190cf49d4ab284' 
  AND (
    token = '40KnRGbyBVxOC4PgTGj66IWIzcYZl4B795pLbN/fVu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019