UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '8FNU9Oy1pBOXu8ur3PdSWq5o4NGE8LuMDfU0Wnt/OpA=' 
WHERE 
  key_id = '39dbee6624c275f485135790ec3fe2910f1d749dbaf0acf519d52448cb127edc' 
  AND (
    token = '8FNU9Oy1pBOXu8ur3PdSWq5o4NGE8LuMDfU0Wnt/OpA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )