UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BkLZr344lmQzem+m6jnusr0rEM40KyteSUrtdyAJTw=' 
WHERE 
  key_id = '8c6af6ae29f6f6475e15114bbeb55bdc95442a2cef7c29a10f8a350e1f503b15' 
  AND (
    token = '6BkLZr344lmQzem+m6jnusr0rEM40KyteSUrtdyAJTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )