UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kWYnJ3DjFklL/WutRAU4CrOBiMQAlB1qN+IVFMdBCKc=' 
WHERE 
  key_id = '6fdb7193ee96ab13327da61c8a50baaa409f0c3b25eae5a64fd09072a446482e' 
  AND (
    token = 'kWYnJ3DjFklL/WutRAU4CrOBiMQAlB1qN+IVFMdBCKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )