UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6jJS2zsfGjfitM+KAuyfeWjHCfRwuz702hSwSexkxXk=' 
WHERE 
  key_id = '94d5a0e2d94cc533e617e68b6b5f247323a0949f6829d4c89e13ee2eebe12c9c' 
  AND (
    token = '6jJS2zsfGjfitM+KAuyfeWjHCfRwuz702hSwSexkxXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )