UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8djUfnd6lwayb/TX9S3Hxiy2FXjTpnfvJbtH8BSKgI=' 
WHERE 
  key_id = '644a60fea8f1cf9a8c4245fc1005d255092a131168bd226b4a14012baf2334b7' 
  AND (
    token = 'R8djUfnd6lwayb/TX9S3Hxiy2FXjTpnfvJbtH8BSKgI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )