UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AfxauwlVVsEf9wRhsSIkwaubTr3hcgHoQm2bvbEafXQ=' 
WHERE 
  key_id = '937e98f915aee9f0d687717e99fa2e2b553f56a032d45ce8b81db2af0925417a' 
  AND (
    token = 'AfxauwlVVsEf9wRhsSIkwaubTr3hcgHoQm2bvbEafXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )