UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TpXYUSfYtLvE2XiGsJ+rOpXSt4YTU0NkS7DOO9Tbtc=' 
WHERE 
  key_id = '2bca8e0a58ee80275e2c36eba1aa01cd550a87f86e3f48e6c5a28015f1bc2691' 
  AND (
    token = '6TpXYUSfYtLvE2XiGsJ+rOpXSt4YTU0NkS7DOO9Tbtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )