UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C4wbuTZgwwzEZofjtOoSsI/tA637zrffQ1OkIuXZyd0=' 
WHERE 
  key_id = 'b4f5d06e3ec22fd9fedb3b81573d93a31b3f76f142b54edb2e3d2ff14a08ab9b' 
  AND (
    token = 'C4wbuTZgwwzEZofjtOoSsI/tA637zrffQ1OkIuXZyd0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )