UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BffRs5COjxpVKWzz5fX9eKa+mJhQRQ5pFmubaIWsC6U=' 
WHERE 
  key_id = '8a38850f967ce5fd160aa6c14e5609b615ceccf3c951ccfb0f1bddb1d27fbb47' 
  AND (
    token = 'BffRs5COjxpVKWzz5fX9eKa+mJhQRQ5pFmubaIWsC6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )