UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JCgbl/UKUqAU+0osMFj2wOhJQMohPhvv0g41bKWAYRM=' 
WHERE 
  key_id = '17fb9885b23f2e163ece33b9e33a11f7af04cd8620c2e2367d48b42ff3bbb8ef' 
  AND (
    token = 'JCgbl/UKUqAU+0osMFj2wOhJQMohPhvv0g41bKWAYRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039