UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I79F8edmOlXjMg1YILLBF8a3AYrtMyAawbM8kYVJURY=' 
WHERE 
  key_id = '59d29569a41d5d114db43d66b9504b951a3d614b045ab20e6b8b85e8c52efa66' 
  AND (
    token = 'I79F8edmOlXjMg1YILLBF8a3AYrtMyAawbM8kYVJURY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )