UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'muEpMwgGDeiwbfvmdGghFta8JPvJWnD09ww0KUY5K9k=' 
WHERE 
  key_id = '9f4537c4decc9d2f5ed364b249100693bdb93e77764301c197ad09daa824a2d7' 
  AND (
    token = 'muEpMwgGDeiwbfvmdGghFta8JPvJWnD09ww0KUY5K9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )