UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21ZM4y52Tz5kTAgYg7C0ZmiThI8Pl7E3GO0+p3r6rpk=' 
WHERE 
  key_id = '6bdef6a9411d0d5dc4c938471d0a53980e36b2e525af0783014a623b4ba4ab70' 
  AND (
    token = '21ZM4y52Tz5kTAgYg7C0ZmiThI8Pl7E3GO0+p3r6rpk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )