UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pFWcytBjF1UyPkSyQaBdnruKIkJAHSlsLp2a9PKMTMc=' 
WHERE 
  key_id = '4645e15046af59913b9f98e35870622e1193df6eb84d29055ba38e4483239c99' 
  AND (
    token = 'pFWcytBjF1UyPkSyQaBdnruKIkJAHSlsLp2a9PKMTMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )