UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pXyHPtf4sHVjLXyxI8batVxsYcry2bC3jN5OlKiUILc=' 
WHERE 
  key_id = '7b961b6ff30981b9a35857e1c40a349f58ea31a6e44720b686abfaddc2235800' 
  AND (
    token = 'pXyHPtf4sHVjLXyxI8batVxsYcry2bC3jN5OlKiUILc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017