UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j+c0/GTNSFlYOckJ1mC9/6Bq7azJ+Kz/URHb1SRx/Dk=' 
WHERE 
  key_id = '6940048dd8547e6de0b5a318000032a434e1fdb669e4fd35a27c5fa03e3771a5' 
  AND (
    token = 'j+c0/GTNSFlYOckJ1mC9/6Bq7azJ+Kz/URHb1SRx/Dk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )