UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hK51lVa6SmA4qak7nJZye6k8DOCB4d4yPZ3Amy1e1tI=' 
WHERE 
  key_id = 'b3e5fb49841b2b444cf2921a1e863adf97e2fd65bdba212d8fa3d74c3a4f8424' 
  AND (
    token = 'hK51lVa6SmA4qak7nJZye6k8DOCB4d4yPZ3Amy1e1tI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )