UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DIA/el63SPjG4BYs7IUy/YoHzH0ebECz0usOzVhbrLQ=' 
WHERE 
  key_id = 'a01883755f452fa44d297478c4a5938ce300229d6d30d72bb88a39a2147a004e' 
  AND (
    token = 'DIA/el63SPjG4BYs7IUy/YoHzH0ebECz0usOzVhbrLQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )