UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rx8RtMRMTDjkqzUx3xW6WRugX+fEg/8FeGRyYyq69bc=' 
WHERE 
  key_id = '83f2c85813e55fad73ce9abe7455ca8fb7400acf57f4a224c14cfaaf14d38f5b' 
  AND (
    token = 'rx8RtMRMTDjkqzUx3xW6WRugX+fEg/8FeGRyYyq69bc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )