UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I6hhG2x5FoJ4m0T09nGJsHjWZCdM7EDCuZqPbCCHMP0=' 
WHERE 
  key_id = '34a8c0f9e4bab562f3b608ab35391ab09a93476c3143e2d45db1737bf0da7a77' 
  AND (
    token = 'I6hhG2x5FoJ4m0T09nGJsHjWZCdM7EDCuZqPbCCHMP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )