UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ltYMDsOUstpxu/jZLm7x8BVoBIwsr5H8/ZU2+4WTQoY=' 
WHERE 
  key_id = '30be3e469877313043abd7bb825a25887822d0937fe6d25857a83299e9560e70' 
  AND (
    token = 'ltYMDsOUstpxu/jZLm7x8BVoBIwsr5H8/ZU2+4WTQoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )