UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OWOTrcJCU5TMrnEmY8Lg+sJQvczkoN+9+BbRX+C1mv0=' 
WHERE 
  key_id = '0823430023c1bec1e9ae8475470cf74a96484c2a0fb3f5e7e209155a1083d109' 
  AND (
    token = 'OWOTrcJCU5TMrnEmY8Lg+sJQvczkoN+9+BbRX+C1mv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034