UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jv7I3m+hGyUS83T/DIXpClMzoG5qKmw7VQXgHcPttGE=' 
WHERE 
  key_id = '26e1713855eb7a4e4f8b13d4e27ca0c0b31ff52dc07d60ec3bf3bd8a92d5e509' 
  AND (
    token = 'jv7I3m+hGyUS83T/DIXpClMzoG5qKmw7VQXgHcPttGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )