UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L4TmQsL6odb1mBasLTSA/PFZaZB8C6TwE8lDTW6pesE=' 
WHERE 
  key_id = 'c87b2372b582810276066e3d38f8994c498f7c3126600aa95b65bd728ad23e2e' 
  AND (
    token = 'L4TmQsL6odb1mBasLTSA/PFZaZB8C6TwE8lDTW6pesE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )