UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HmhQbPFBnheTC5Kf4bOfzyyfHjT2ZnIVwYaOKuPoSs0=' 
WHERE 
  key_id = 'a19910ae2d25cb747c26a7bd0f4b5687d1f2432c030766c1526d3c666ee28bdb' 
  AND (
    token = 'HmhQbPFBnheTC5Kf4bOfzyyfHjT2ZnIVwYaOKuPoSs0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )