UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QiEex2GcOWBCanSQies/ar0T8GINDsIuVHwO004FyJg=' 
WHERE 
  key_id = '319793934d22c4c3f10dc97186bccdf906e1db846c5f456578f3a90540e98278' 
  AND (
    token = 'QiEex2GcOWBCanSQies/ar0T8GINDsIuVHwO004FyJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )