UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WMKpUxD4gAjpttoZJjlcUEdXwdX0Z/8T6bIiSCPoMao=' 
WHERE 
  key_id = '237b20ea57d2f1bf01cc367e591d56d293515f40900a9ab5eda5351acecf4985' 
  AND (
    token = 'WMKpUxD4gAjpttoZJjlcUEdXwdX0Z/8T6bIiSCPoMao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )