UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r1dI8JXjwwAYrfbGnO+q9uiudwWuN7gCsTX4BvcS9hA=' 
WHERE 
  key_id = '121ad9eb284ab238a634b26e5125c9bcd14d4aafd0c8913e69623b4e85b431dd' 
  AND (
    token = 'r1dI8JXjwwAYrfbGnO+q9uiudwWuN7gCsTX4BvcS9hA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )