UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WNdn22pn71OUN/TIM01ZWSPyhg/eEzz2M+Dc39Vw0h4=' 
WHERE 
  key_id = 'fc9c5accfda9f19474ee91101af0a2241baf9132da4197062155e466d90edde3' 
  AND (
    token = 'WNdn22pn71OUN/TIM01ZWSPyhg/eEzz2M+Dc39Vw0h4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035