UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MsmAJAtbNL/dLtwwbZhQYBl6BModFLE9jhv6/Jznh/Y=' 
WHERE 
  key_id = '21ef682bc8131707bd8764ab90f6e65717b1ab9cb651079cb42be7b4e2f113bd' 
  AND (
    token = 'MsmAJAtbNL/dLtwwbZhQYBl6BModFLE9jhv6/Jznh/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )