UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KgC3DqZWPkqgCiFd30zmKrNhZh3+ax3nWxcfkAYcQJE=' 
WHERE 
  key_id = '6a9cb5d75b6595b44fbd0de586d564f2ee7da87891cebc4fe4660538454c1a59' 
  AND (
    token = 'KgC3DqZWPkqgCiFd30zmKrNhZh3+ax3nWxcfkAYcQJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )