UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IKqMZudViVNwy/ImoUuCyc3UIwz/7WOfBTNcFLkja0E=' 
WHERE 
  key_id = 'c309a8d79e011fe5a44f17a52c9383a20a6d5c020921f90ec2b42a90c46a6c43' 
  AND (
    token = 'IKqMZudViVNwy/ImoUuCyc3UIwz/7WOfBTNcFLkja0E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )