UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AFj3hvXh0T4vBst18IPpDSG1QCtZdYsYmcw+PHCjkDk=' 
WHERE 
  key_id = '8030c9fbae192bdf9e31e67b8d503135ca724f8968e0baf6645a6de6867bdf36' 
  AND (
    token = 'AFj3hvXh0T4vBst18IPpDSG1QCtZdYsYmcw+PHCjkDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )