UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iKOz84YBNEciwISU0zSiumaoQB78rMPCuH+OHn0vg+A=' 
WHERE 
  key_id = '868769f2ccd7feb6c07949c9c2fccbfbda5681367c3eab69e04a349363d7881f' 
  AND (
    token = 'iKOz84YBNEciwISU0zSiumaoQB78rMPCuH+OHn0vg+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )