UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ynexx3V1IuTS1jC9qeffjAdcgmOGvDB2iJ4Lof6/KWE=' 
WHERE 
  key_id = '875081975392f36226607cb3d5895bc765b34ff40156ca53b9104fcad78e9474' 
  AND (
    token = 'ynexx3V1IuTS1jC9qeffjAdcgmOGvDB2iJ4Lof6/KWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )