UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L2Dz1E6qdYbK2vcm4QE3L9qRvrAgCk+1IWaXn+GIMX8=' 
WHERE 
  key_id = '3a6f843e9a7e9877e989579b602ac310bd6cd3a0172e0880277a46ac92395628' 
  AND (
    token = 'L2Dz1E6qdYbK2vcm4QE3L9qRvrAgCk+1IWaXn+GIMX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )