UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd6zXlkJu2tYEepnP1eOcy1VDOu7fPkU5pzAC792y0pk=' 
WHERE 
  key_id = '0ac562b7668945e112a2055d9b3abda2b6e12947e50da0dae9ef753403923d52' 
  AND (
    token = 'd6zXlkJu2tYEepnP1eOcy1VDOu7fPkU5pzAC792y0pk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )