UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtM2tNsCYEUymNYmaCQCFz5brulVtO0cfEnytiYCDko=' 
WHERE 
  key_id = '515d01552630590837ec90b9e184b39a35bf512eedb98b3f59569b000f72440a' 
  AND (
    token = 'PtM2tNsCYEUymNYmaCQCFz5brulVtO0cfEnytiYCDko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )