UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NnS76N1kKix+JODxWl+pUoey00mI7b7ryQBuHsEGVQo=' 
WHERE 
  key_id = '10f973f7836467fde5fb165bcec09040efbea7d1ddf08880301d1b23e5de2263' 
  AND (
    token = 'NnS76N1kKix+JODxWl+pUoey00mI7b7ryQBuHsEGVQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )