UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DwHlEru3tt320qzrvsv3h0rJyx7MwAmQ1vrP9ATeIrw=' 
WHERE 
  key_id = 'a22da1c175a698d9a91eb3f79f258de9a204c8176c028c21c587f30e2c30f3d0' 
  AND (
    token = 'DwHlEru3tt320qzrvsv3h0rJyx7MwAmQ1vrP9ATeIrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )