UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bcVkai+ZIeMnQwV0YIizFeDzcFPVzOnehGpnQs1RvVE=' 
WHERE 
  key_id = '538fea45c7541e83a74d204a4eab035ca205df5690ee05fc49b74e9978ad1854' 
  AND (
    token = 'bcVkai+ZIeMnQwV0YIizFeDzcFPVzOnehGpnQs1RvVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )