UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4aJzj5ux9RrdB0uD0KjWtk4YktAzrIuqKH6oH/JU2PQ=' 
WHERE 
  key_id = '5a47dba2a991eb3ddc36c0eab9016e2c975528200654763e5d2c0ab360b8228a' 
  AND (
    token = '4aJzj5ux9RrdB0uD0KjWtk4YktAzrIuqKH6oH/JU2PQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )