UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EpBBERq2XUnrc5jaCUHA0rbDiyNf6tab+HSLdXU/uBQ=' 
WHERE 
  key_id = '6af28985e5323c8fbe8c92ac16ecf8978a29210e2c97e527f184db2af07f9340' 
  AND (
    token = 'EpBBERq2XUnrc5jaCUHA0rbDiyNf6tab+HSLdXU/uBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )