UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S8YIFQQ/+SP8pogc6JxpQ4qRm9vSATb6hEksV43KDzI=' 
WHERE 
  key_id = '93ab97256d5550ffcb9efa11804445c896a21af92276a93f59bf6d0a78da8146' 
  AND (
    token = 'S8YIFQQ/+SP8pogc6JxpQ4qRm9vSATb6hEksV43KDzI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )