UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mVPFz/JnNQWO92JjSuNy5I1Fb1HpTG6Mju7VlMhsUAc=' 
WHERE 
  key_id = '49a6ffa2c7b95887e3c7045b92021c83e448a806e09a835336f583a9d524668a' 
  AND (
    token = 'mVPFz/JnNQWO92JjSuNy5I1Fb1HpTG6Mju7VlMhsUAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )