UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h6HQ8fAQVDLWzF+VutM4JLNO91lG/wU5hd2JjjjDDBE=' 
WHERE 
  key_id = '16770fd30bfc97754deb47b5c4a810a8018606052d0613284456042e4b2ffda8' 
  AND (
    token = 'h6HQ8fAQVDLWzF+VutM4JLNO91lG/wU5hd2JjjjDDBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )