UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6DzEQJjWnNR5ApF3/WOM3qVf9I2QG1TolEoV7PTexvI=' 
WHERE 
  key_id = 'c045a4f9df262715a518b174e2653576fe29569df20156ecab20ec41b83579ff' 
  AND (
    token = '6DzEQJjWnNR5ApF3/WOM3qVf9I2QG1TolEoV7PTexvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )