UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ar8/9Cu8cmz/ovI4++XkypjHmnvA1ijLO0kvYF3jSs=' 
WHERE 
  key_id = 'd971db989a58de197786751729fed2224ea1dc9575735d92c54d9e807be2877a' 
  AND (
    token = '6ar8/9Cu8cmz/ovI4++XkypjHmnvA1ijLO0kvYF3jSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044