UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLpxPoVZTcMmJ3qWm8i4URoUYVUeS5+rNu1HcPvBBAU=' 
WHERE 
  key_id = '1c436ba2d813b576f2598aaef1b5bcef83cd536b5f5f372fc470419e54a3728d' 
  AND (
    token = 'KLpxPoVZTcMmJ3qWm8i4URoUYVUeS5+rNu1HcPvBBAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )