UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iZ9ebL7kc67qKDE8jJBcjqLWkUUHFtTJCZKhKt09+wg=' 
WHERE 
  key_id = '8a74796d98183c4ed4c27cee280af151c994d34ff3657f3348162b117a1e8c6c' 
  AND (
    token = 'iZ9ebL7kc67qKDE8jJBcjqLWkUUHFtTJCZKhKt09+wg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )