UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c504FBDH4pcsbUeuA+uN2APk8FLdSHK0RL4vjECAoGQ=' 
WHERE 
  key_id = '97273f7a06f8cea153f31edea98caa9f05792a683760cae560255223cc31242d' 
  AND (
    token = 'c504FBDH4pcsbUeuA+uN2APk8FLdSHK0RL4vjECAoGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )