UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BMDLyPYm2EdWIpYtU647GjLUFjrdVRLE92T3tb407nI=' 
WHERE 
  key_id = '76f487657054b02002eeea9542e132e206517e8c197a2e0f47130e521f0c0170' 
  AND (
    token = 'BMDLyPYm2EdWIpYtU647GjLUFjrdVRLE92T3tb407nI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )