UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GaR2fJeWN9yXKXxMEzpb79Tw92zGsElXknqGURbSUeo=' 
WHERE 
  key_id = '277269e212dada4f34f561538aae120ecd37eb75af877ed38c8ede8357c0a968' 
  AND (
    token = 'GaR2fJeWN9yXKXxMEzpb79Tw92zGsElXknqGURbSUeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )