UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mlW0mlIFT4aoCVH/4XaMj1bhva82qrC3czWrNd6OBq8=' 
WHERE 
  key_id = '8a7bd08d718a866e9b9bac26fb971b0f48b02b1ca9e07b528d1572e50b99270d' 
  AND (
    token = 'mlW0mlIFT4aoCVH/4XaMj1bhva82qrC3czWrNd6OBq8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )