UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qI95vdXA2es0gLIrdYBiV4m07RVvmEc6iuQDdD4QyOY=' 
WHERE 
  key_id = '15b1dfe9bdcc842a91f9dbab6669e5537d639c81f59126d8208efebfe2ef51b0' 
  AND (
    token = 'qI95vdXA2es0gLIrdYBiV4m07RVvmEc6iuQDdD4QyOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )