UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GHoWQiUQfwkj/OngS4ZSu8kWlxlO2n/DSmZA014aofs=' 
WHERE 
  key_id = '51f93920b293e2562861c87d8e463cdaa935ead314312583d0d2647a0e996af5' 
  AND (
    token = 'GHoWQiUQfwkj/OngS4ZSu8kWlxlO2n/DSmZA014aofs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )