UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zZuaY9LUA8mvb4z3efKcxcufaOT9gt5rQKU8Q8X27zA=' 
WHERE 
  key_id = '6f293ee5201ba01fcad9df8495f0746b50551206f63c701bbd0506c72639b5f3' 
  AND (
    token = 'zZuaY9LUA8mvb4z3efKcxcufaOT9gt5rQKU8Q8X27zA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )