UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q0srwcvCyj6LiFYlWgUhC53L6Xm+ZtWCmIxevDZ8E8U=' 
WHERE 
  key_id = 'b9781598ccac8d98f00ca05d535fbb23a888068bb7c2c241fb96eb9576d9d543' 
  AND (
    token = 'Q0srwcvCyj6LiFYlWgUhC53L6Xm+ZtWCmIxevDZ8E8U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )