UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fYjImpuVYmzMVZXVXKurTOZcFX5zTtOybaOwe+XlXPI=' 
WHERE 
  key_id = '9210532735e7e3d5fe60e986d3cc57164741d4bed2cbd1bb8dd45de0931296cc' 
  AND (
    token = 'fYjImpuVYmzMVZXVXKurTOZcFX5zTtOybaOwe+XlXPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )