UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Cz8nWE0KtED3xIJclNxGR9OpWqp18CZUiGWeQLWR7I=' 
WHERE 
  key_id = '6e38a85080656067d078f7ff4bc445807507d706c5c430b8b919e3d771de6249' 
  AND (
    token = '3Cz8nWE0KtED3xIJclNxGR9OpWqp18CZUiGWeQLWR7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )