UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'POtK9+m+IBLZa4eBwaZjSRy9aXxszRXTTgW9thiFIes=' 
WHERE 
  key_id = '642fe567478662be3f59a842b41d45f54951f99006effae7303c7e0a26febec0' 
  AND (
    token = 'POtK9+m+IBLZa4eBwaZjSRy9aXxszRXTTgW9thiFIes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )