UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68NH+1g9IcjHyYedmdNHdm8NPb1KMAAgqGJrBKGAbTY=' 
WHERE 
  key_id = '91ed995c461278f00a7be2a0cc458eaa4fd14ff20284f4ffb4dd2559116de943' 
  AND (
    token = '68NH+1g9IcjHyYedmdNHdm8NPb1KMAAgqGJrBKGAbTY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )