UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6bRg2aEsk9reXLQjLhoR9REjqirzNjyizela4lZNfFU=' 
WHERE 
  key_id = '68ce7f75436292ed5a34148451e7f1a8db8796e0d6673bb1bad538a6c7ce56df' 
  AND (
    token = '6bRg2aEsk9reXLQjLhoR9REjqirzNjyizela4lZNfFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )