UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Duk+xI9olEw7SEXL5JbPjzckTIJnqzHQ9qu5xNgf2ug=' 
WHERE 
  key_id = '18d5536c4a20f198e29c24d6d1fbb3f2b1d21c0ae1fea93ed25db0cc5cbcf362' 
  AND (
    token = 'Duk+xI9olEw7SEXL5JbPjzckTIJnqzHQ9qu5xNgf2ug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )