UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nj3jw9pzVMkN6pk83Xfx1EHFu4ALQNMYeFKv56fUxxs=' 
WHERE 
  key_id = '305a739714c985862717775b38e6bdedc3c13d6074610522a670435083eda52f' 
  AND (
    token = 'nj3jw9pzVMkN6pk83Xfx1EHFu4ALQNMYeFKv56fUxxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )