UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cEZmi7xWGNskDmmNXRubi1KTVbKbLCm4q+vgIhc+hmw=' 
WHERE 
  key_id = '98c2d6f6b47445fe69ac0c9eee118e9aecf7591eeb4975b6f3c7a2934810b5b3' 
  AND (
    token = 'cEZmi7xWGNskDmmNXRubi1KTVbKbLCm4q+vgIhc+hmw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )