UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Om3egY1kFFkwx8hQT0IaS3OU6x8B+5RCheiugtwYNE=' 
WHERE 
  key_id = '81644cc1e4c715065c4f31b89fd7c9b8f273d778fe34761869db1a9b39b00b1d' 
  AND (
    token = '2Om3egY1kFFkwx8hQT0IaS3OU6x8B+5RCheiugtwYNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )