UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm39HxxjOUvgw7772W0UDCl/oEtj7rAVNXjglRalqBq0=' 
WHERE 
  key_id = '8b6f4870d915ebea4fbebd60a5a78a4efca31e6507fa64fc1a2b69923942be8e' 
  AND (
    token = 'm39HxxjOUvgw7772W0UDCl/oEtj7rAVNXjglRalqBq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )