UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VStu4WfA0CWljrcHMD8nfITv1sfFkRE5DqDlKhk4jrQ=' 
WHERE 
  key_id = 'b2b17b1dd2c655b274b8b34200d0255dc7cf0bdbd99ad5ff5baa13abfc0145c5' 
  AND (
    token = 'VStu4WfA0CWljrcHMD8nfITv1sfFkRE5DqDlKhk4jrQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )