UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PmMkqahC1NKx6wYk/emk74HGmXDaPrdT7IPf5VcjA50=' 
WHERE 
  key_id = 'cf6a4580c9111e3d38472b7c052716b4928e4188adca542fed8f3130573351e9' 
  AND (
    token = 'PmMkqahC1NKx6wYk/emk74HGmXDaPrdT7IPf5VcjA50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )