UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tVIhfjgyGVmpMHr3wyxx0UVyv4cIuleKYHoy5SMyslA=' 
WHERE 
  key_id = '95ef175576e506ee1a8ea40cc51846b183d04ce458e67cf38a7d2194a300e3a7' 
  AND (
    token = 'tVIhfjgyGVmpMHr3wyxx0UVyv4cIuleKYHoy5SMyslA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )