UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nl90nk8Om0aD4AwKdt9kEqsHmzEnzhWH0myY6oBeyGM=' 
WHERE 
  key_id = 'e7b91304179409564a96aac22756d03d8a281442024589f51100972dc1fadfbe' 
  AND (
    token = 'nl90nk8Om0aD4AwKdt9kEqsHmzEnzhWH0myY6oBeyGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )