UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KWnIFLzNJbnrfQLEa9uDGfvJFjDmLmDFCdWW3pggpns=' 
WHERE 
  key_id = 'b6a4b51de4ca8578255dc6ff22c0312f13e683c597affcffda3a607e4e460f90' 
  AND (
    token = 'KWnIFLzNJbnrfQLEa9uDGfvJFjDmLmDFCdWW3pggpns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )