UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LLf2LvfrEOXIE2cZqtQjsj9Ikd7oDmwve6NneHsTysE=' 
WHERE 
  key_id = '2a84c902e14e4cff37fbe9ae2952a01af20d54bc710846e3550f2d9a5a749456' 
  AND (
    token = 'LLf2LvfrEOXIE2cZqtQjsj9Ikd7oDmwve6NneHsTysE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )