UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'da9LcQ7s9FbeySY9lTj4AJtb6A9jGNerk5f/2euh8q4=' 
WHERE 
  key_id = '273a2cdcaa311f9f818dbc05a0ff2fb349d1310fe599ed0da15d6508f14d5778' 
  AND (
    token = 'da9LcQ7s9FbeySY9lTj4AJtb6A9jGNerk5f/2euh8q4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )