UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RxGeZ3dAgssoOquVz+xYRqKVoYmJu1dfyK9I+/Cd1UE=' 
WHERE 
  key_id = '4ad3d5c62d93145c8ae1233090271496f420ea34612bcfcebce59e9e6adff0b2' 
  AND (
    token = 'RxGeZ3dAgssoOquVz+xYRqKVoYmJu1dfyK9I+/Cd1UE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )