UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P0xpuMevoHMNsHyGPfmIIUsHizk1hPbSs2yNcLNft10=' 
WHERE 
  key_id = '940b3de0325a87905bdc9d65ae6c5f851ec427e9b46085691e6199bb7afe7de4' 
  AND (
    token = 'P0xpuMevoHMNsHyGPfmIIUsHizk1hPbSs2yNcLNft10=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )