UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21OqfajrQpJ4Rw2In9uRc2eOcr8aWp4MCbTCnCjty0I=' 
WHERE 
  key_id = '8684de427ff3496787520b4fe98f3c84ee43cfcbd62bb62602bdde137d615d0c' 
  AND (
    token = '21OqfajrQpJ4Rw2In9uRc2eOcr8aWp4MCbTCnCjty0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )