UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ml7itaTauljq018cdX+ENPTptFAj3mjWIbDuaESORgA=' 
WHERE 
  key_id = '4e5c3bcd3fc8b791af742cace30f295769b7c2bdb297101d999141af0181e170' 
  AND (
    token = 'ml7itaTauljq018cdX+ENPTptFAj3mjWIbDuaESORgA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )