UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yupvr8tzk0U2dqQlAF/9tlOaQC99hDrXIz7j95aWEOg=' 
WHERE 
  key_id = '84758150da6c76832028c5cd96c621fb69bcf0fbb004de2b891532ef38aa998d' 
  AND (
    token = 'yupvr8tzk0U2dqQlAF/9tlOaQC99hDrXIz7j95aWEOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )