UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2hyCMYyJB4Igeak0GsBwdRmNpMjveUV1xazYf9UTm0g=' 
WHERE 
  key_id = '9642845096003784394fe8317677ad85bc6cad71a96e91a3f0910e53331862e7' 
  AND (
    token = '2hyCMYyJB4Igeak0GsBwdRmNpMjveUV1xazYf9UTm0g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )