UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RpjjSQEat6dcXedsn4g8DRkqeATI+Q090bpTUOIdX/w=' 
WHERE 
  key_id = '2679f42c35b1284b6deee67318ee459f82ff07612e18790649b8045ff7dc5594' 
  AND (
    token = 'RpjjSQEat6dcXedsn4g8DRkqeATI+Q090bpTUOIdX/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )