UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'okUVYeJIpqKuBONZUf3zi0+s4dLw4d9jOoOt9aFr5sQ=' 
WHERE 
  key_id = '487e93de28396b75b9bd14f528e39830ed4181571c7e7cb366f6cecb81433c3f' 
  AND (
    token = 'okUVYeJIpqKuBONZUf3zi0+s4dLw4d9jOoOt9aFr5sQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )