UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rt72JkMNlr+8+7gS6digHfKVzw6jafEfEeHVImVZNaE=' 
WHERE 
  key_id = '951cac6b671a9235c083963b1806ffa29967e60bcd615fb0a005e87e5b274710' 
  AND (
    token = 'rt72JkMNlr+8+7gS6digHfKVzw6jafEfEeHVImVZNaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )