UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nX0FPN9agRlLDfPuTWcM4BGKGbDMcQmaEdHfEQgpb50=' 
WHERE 
  key_id = '76bf749251b092395f536d094f13f44d4b949621297e182d5033fe81f150606a' 
  AND (
    token = 'nX0FPN9agRlLDfPuTWcM4BGKGbDMcQmaEdHfEQgpb50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )