UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8eR+FuTRe+6LzLMUjNMMMXUxNMyXgGTTc3DBx4mxLNo=' 
WHERE 
  key_id = '27973e90baf4bd4f0c303d9d222fe6a20f755e54ce7f1d7fdb2c93a352aa05b5' 
  AND (
    token = '8eR+FuTRe+6LzLMUjNMMMXUxNMyXgGTTc3DBx4mxLNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )