UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kxZ0qr5rQrI2KDWBp3xLwoNCtdwlXzRbjyFu2As0TeI=' 
WHERE 
  key_id = 'e57f098da74c7df9570ac42b5d89b952bfe5305ea8c1fc86e0c1bbdaa17a9ec8' 
  AND (
    token = 'kxZ0qr5rQrI2KDWBp3xLwoNCtdwlXzRbjyFu2As0TeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )