UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ljb76L8uc+zefXDsevKllfferf3eSO0tXQwQNhGzDBE=' 
WHERE 
  key_id = 'b1f2361bb15992a318deca844e35f103403e714e1009a55710601c93e58b108c' 
  AND (
    token = 'Ljb76L8uc+zefXDsevKllfferf3eSO0tXQwQNhGzDBE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )