UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I+vhkCWpQ0QvLjkJv+TVgeQfeqVdDzKyNdSGw63EVXc=' 
WHERE 
  key_id = '30b5bbff82bf2bf29861cd4d1e823efd57733a0dabbe275774110a274626bd2c' 
  AND (
    token = 'I+vhkCWpQ0QvLjkJv+TVgeQfeqVdDzKyNdSGw63EVXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )