UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GFrYYRZ5IPaDxopFimHSbZd1dIBzUytB9yH3nOKJ7us=' 
WHERE 
  key_id = '4ad84b2cde682af3a54017914316772bb5b9db663ee76c26b86f9783ad89b203' 
  AND (
    token = 'GFrYYRZ5IPaDxopFimHSbZd1dIBzUytB9yH3nOKJ7us=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )