UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UNBBne0D+NlO9u921I2JQCAnxRpGBGYTlHLvMKlpnQo=' 
WHERE 
  key_id = 'f3d9551489a7ec5373975f12632609a6965064de807576cee9ef5220e78bfc38' 
  AND (
    token = 'UNBBne0D+NlO9u921I2JQCAnxRpGBGYTlHLvMKlpnQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017