UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPeGQ4avLV0549IclmG1X8nYMMXIyTATySy6iEyN71s=' 
WHERE 
  key_id = '286c9a5482f48cf6cff42e5fa55a8118693b3c97cd194303bd0949de40219e12' 
  AND (
    token = 'MPeGQ4avLV0549IclmG1X8nYMMXIyTATySy6iEyN71s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )