UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QnDE70p/62XN2kwlfiQ8ptVcqpDr0i9/6Vw/YKsPt1I=' 
WHERE 
  key_id = '2e769d9fbed3e0da8d58c64096595849ba83ea437405c95506ea33fcd48a5eb7' 
  AND (
    token = 'QnDE70p/62XN2kwlfiQ8ptVcqpDr0i9/6Vw/YKsPt1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )