UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+1IclPlejApclF7ioLdKoVszkkeulPsLHr3BfeiSmRY=' 
WHERE 
  key_id = '512e6eb07cdbbdcef75ecb9435183abf75a7eefdda6c73bbfcbec160922ce415' 
  AND (
    token = '+1IclPlejApclF7ioLdKoVszkkeulPsLHr3BfeiSmRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )