UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U1oJZoXhiB9iN5txZxwqmKnyprcMX7TYhsZzw/uaE+8=' 
WHERE 
  key_id = '446ca7839b3fd8621153b55698fea86f72589de9b86dbc78df90e273fb023572' 
  AND (
    token = 'U1oJZoXhiB9iN5txZxwqmKnyprcMX7TYhsZzw/uaE+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )