UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5/KdznAsRp6E8L3GfKtMk7wlw5GJpj66ZEswk7EiUM8=' 
WHERE 
  key_id = 'e37893d22a905b7f1f05418668a2fa45059aeee289a80e94803e7d76f5dca931' 
  AND (
    token = '5/KdznAsRp6E8L3GfKtMk7wlw5GJpj66ZEswk7EiUM8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )