UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PU/hAKoxBzjkZYRnc1UyZmaWGiVOy8CuikBgLeuTTTg=' 
WHERE 
  key_id = '38c41052ba09148c05aa8bce48ce1f9c058dc43fa14b321071a6edc6e952ebe8' 
  AND (
    token = 'PU/hAKoxBzjkZYRnc1UyZmaWGiVOy8CuikBgLeuTTTg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )