UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/an0kDPLZZI5a6UqK8g0xgT25dzaIJud+bfN3QTT2g=' 
WHERE 
  key_id = '96f4b718733809ecac494a039cb6eb6566662c3580d69c2b1d95e2892a29e3f2' 
  AND (
    token = 'n/an0kDPLZZI5a6UqK8g0xgT25dzaIJud+bfN3QTT2g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )