UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PXQYg3jwYRNQqW4xT9YyEjwFqroSTsBC8VpRoRYNjwI=' 
WHERE 
  key_id = '9f846cdb000c19566a049e9971751b6a196b40659c8c6071f082436a5a200651' 
  AND (
    token = 'PXQYg3jwYRNQqW4xT9YyEjwFqroSTsBC8VpRoRYNjwI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )