UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'llxqS8IHmRRWcwd+TtgOEOn5v7bqiQGIXgGoDf/w1wQ=' 
WHERE 
  key_id = '647a7a15db005b04f3875b705448a55bc79dc7079cf6651bcd3be2b6ca183ecb' 
  AND (
    token = 'llxqS8IHmRRWcwd+TtgOEOn5v7bqiQGIXgGoDf/w1wQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )