UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6K5rH84xOxLRk4nz9rRJaomRrmgd/LXgfbHSunfE+gY=' 
WHERE 
  key_id = '27db0881c21f238101a89bc675b57f0d47a5c1d4ed0306dfab6c5246d98fad94' 
  AND (
    token = '6K5rH84xOxLRk4nz9rRJaomRrmgd/LXgfbHSunfE+gY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )