UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y51ghn2y3AykByjHd4bKXm2u8OZp9BzpQsK6gNX76ho=' 
WHERE 
  key_id = '86ad5e6b6b8832285fce2769cb9185f8983b449af0d0f140f8d0cef5c609afc4' 
  AND (
    token = 'y51ghn2y3AykByjHd4bKXm2u8OZp9BzpQsK6gNX76ho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )