UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unxLcNcATF2tJzQSlLrTXMbwnPhKrSL9PLJC3LxKkhM=' 
WHERE 
  key_id = '6eb88224dc318828e8b6338ced9a5251d63c2b6cd2ff1e13531907c75eba95f1' 
  AND (
    token = 'unxLcNcATF2tJzQSlLrTXMbwnPhKrSL9PLJC3LxKkhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )