UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8u7iJ0kfgB0gVvl4tJGLTYFBU0drcbqqKlK7DVwtR2s=' 
WHERE 
  key_id = 'd4c303c2a6c2873b6c2124c270c64451ec95e1eb28f7fb691207e75fbafeaa20' 
  AND (
    token = '8u7iJ0kfgB0gVvl4tJGLTYFBU0drcbqqKlK7DVwtR2s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )