UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WEl9Kv871DKZPBNCKemgkVQF7K7UFd7Tz2tHctmi8pg=' 
WHERE 
  key_id = '50c149306f7addd391fd170e4cf775c0c9f45f323bd19605eccfd78873c98350' 
  AND (
    token = 'WEl9Kv871DKZPBNCKemgkVQF7K7UFd7Tz2tHctmi8pg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )