UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YcAermB2CynPy0oL8Kjpf6GJOdj39wb7x4Ait4PAHak=' 
WHERE 
  key_id = 'ff5c9f35ff82bfc13c1187bc3e2b03cb1e048f34a5e212293c926c1ceaf0b157' 
  AND (
    token = 'YcAermB2CynPy0oL8Kjpf6GJOdj39wb7x4Ait4PAHak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025