UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zirDd96cuQhf14qRmDKUvHVGkU057lI1BAgxXB190z8=' 
WHERE 
  key_id = '21a53645901be4f14dc1f6dc691dac3df94aa09b4e442a8b2b8f5f10115df744' 
  AND (
    token = 'zirDd96cuQhf14qRmDKUvHVGkU057lI1BAgxXB190z8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )