UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMuFDgj3zyA1WRNPZ5pnJG5KgW9IG8tUVvZlh5qLW2Y=' 
WHERE 
  key_id = '65fae8617fb7b685ac7090444c754c714b19ec8b6a3da225db466823ee8d8174' 
  AND (
    token = 'MMuFDgj3zyA1WRNPZ5pnJG5KgW9IG8tUVvZlh5qLW2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )