UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1GfLE8CusokzxtDxMS9gV4SAhlrsWlvravYw31iJGH0=' 
WHERE 
  key_id = 'f178edf1fa615223f82c3683d40d6b9e58ab26453bac7816117039f2a41deb28' 
  AND (
    token = '1GfLE8CusokzxtDxMS9gV4SAhlrsWlvravYw31iJGH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )