UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'porA5P+rUDzO2zBALXXn/MxQPBojBip+j1gT0jODOpg=' 
WHERE 
  key_id = '644988c192ba1f74eccc833afe2c32889abf157dbe1f11fdc3fd9fa98fabd788' 
  AND (
    token = 'porA5P+rUDzO2zBALXXn/MxQPBojBip+j1gT0jODOpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )