UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xR1b0j6GW7Er0mlDg2G69aPif3roW5GvHNXPyL7jQlg=' 
WHERE 
  key_id = '256e45a1167ea3f7fdffd0482959a382ed0784c9ea7ef6d484de74f34b801612' 
  AND (
    token = 'xR1b0j6GW7Er0mlDg2G69aPif3roW5GvHNXPyL7jQlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )