UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I3xKqmR9kKbR6M8mIJ3uxhvOg8jsEYgsgtwWn3MolfY=' 
WHERE 
  key_id = 'a79b1023ab4391942b2eeb91c38298e00e23a7e738dc09899e0617eb8a20a3c4' 
  AND (
    token = 'I3xKqmR9kKbR6M8mIJ3uxhvOg8jsEYgsgtwWn3MolfY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )