UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7P8/wiAfTlIskzx+IrwlaQukygdgA7PLokRCpnLIpQ=' 
WHERE 
  key_id = '1e4a40f2090c8798befa29286bd6caf915bb4de6501861d98aa8cc5c0a2aa8c8' 
  AND (
    token = 'b7P8/wiAfTlIskzx+IrwlaQukygdgA7PLokRCpnLIpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )