UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kImxqQTSaQAlM+XnKPsbvvtW2+0kxpWA6XP9A1UKxXo=' 
WHERE 
  key_id = '268a3fc6631e51e328b81a795ab92b9ea29f714530d3bed354aa02638a59e809' 
  AND (
    token = 'kImxqQTSaQAlM+XnKPsbvvtW2+0kxpWA6XP9A1UKxXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )