UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bmh516IBjq1KrJSHa9orEijMaU2LFfeYV+T5fq5UxB8=' 
WHERE 
  key_id = 'a1de7a4459641381d4a3c7e75e585c0167ea0b4429ca925079cb849d849eedfb' 
  AND (
    token = 'bmh516IBjq1KrJSHa9orEijMaU2LFfeYV+T5fq5UxB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )