UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21uG+XJKN6/kbKe38+PCDshMql2MEaY365a4akXoxf8=' 
WHERE 
  key_id = '4d79e2fd8dd86b25c7b31ae955d8e7cca4465a268edb4d5307652640bcbf877e' 
  AND (
    token = '21uG+XJKN6/kbKe38+PCDshMql2MEaY365a4akXoxf8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )