UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S3mx8wDS7iOocRIuuahkurqzcc79ZgttqkVpJV9i7ok=' 
WHERE 
  key_id = '71dddd8d1b505fc790ae99b674f1b8eea91b986290dfa8b33fb7128a3c064314' 
  AND (
    token = 'S3mx8wDS7iOocRIuuahkurqzcc79ZgttqkVpJV9i7ok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )