UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4CBoD7Rf5wKotNB+tWA6oj6RRQrU8FmmRagGKITHMzs=' 
WHERE 
  key_id = 'e2f42738f93132a2b3eeb38dd58413f6d1f287c5e8b729f881ca1e599ba8f1cf' 
  AND (
    token = '4CBoD7Rf5wKotNB+tWA6oj6RRQrU8FmmRagGKITHMzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )