UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tkcse2HZBRPKKULxuWLX+ibtArrn3N/oKz+9U92AUUU=' 
WHERE 
  key_id = '7c8d1533c1f395eef7761283d9a14a01766b4e2274367261b8f65de49a931b3e' 
  AND (
    token = 'Tkcse2HZBRPKKULxuWLX+ibtArrn3N/oKz+9U92AUUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )