UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8mnDdvdzxbNAhykCZ3YJXsm0r6tEHGUXgO/0djZTS1k=' 
WHERE 
  key_id = '905ef6f1d66d074883de49369ead5601c3d1011386fca53540fac67c55555873' 
  AND (
    token = '8mnDdvdzxbNAhykCZ3YJXsm0r6tEHGUXgO/0djZTS1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )