UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rwhDR+jjMHA8csiG3f586oJGLFGWE1HIkMuiXa340Os=' 
WHERE 
  key_id = 'e483c6e6d7e53a6233bf17f9ee2acc31c148b7a564c5022ccdf2da421ece9311' 
  AND (
    token = 'rwhDR+jjMHA8csiG3f586oJGLFGWE1HIkMuiXa340Os=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )