UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ho4wyijP0kcytz1dYF7hM1ldap7rFUggmqvicJ1JZII=' 
WHERE 
  key_id = '171ae5509b9dbf3d2a4b6bc51d8b3fb40d8edef2f51ece8ba236909b19e07168' 
  AND (
    token = 'Ho4wyijP0kcytz1dYF7hM1ldap7rFUggmqvicJ1JZII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023