UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NCv85BSLpU9l1Dp9JlzMniyyeTfVaNLv953TKxoy+Ik=' 
WHERE 
  key_id = '721701760da0246d47479d364d9f269eacfad9dc1269fd6bccece7de79b3c60d' 
  AND (
    token = 'NCv85BSLpU9l1Dp9JlzMniyyeTfVaNLv953TKxoy+Ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )