UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txkjiy7GoOqF03PMojygw7mjn4PyVqJsMsnIPTGESXQ=' 
WHERE 
  key_id = 'e4bb62f5e32294cf6af27cdbe6f5aad2516db68a1480ef5eb37841e5169a2bf1' 
  AND (
    token = 'txkjiy7GoOqF03PMojygw7mjn4PyVqJsMsnIPTGESXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )