UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v79yuORkxQZloRIjkzgnoy4oYWVESsdZt1Esn+3XtE8=' 
WHERE 
  key_id = 'b9e8a5d7b05889772b21eadcde3f7c80127ccb5b1eb74e2c82ab1ead04e9983d' 
  AND (
    token = 'v79yuORkxQZloRIjkzgnoy4oYWVESsdZt1Esn+3XtE8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )