UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fuLls2QuzRr4EbqOx7ktUqiA6hh1DWlJfU3UEMCPCrU=' 
WHERE 
  key_id = '18f7cefa9e1d688923f249d7c93f0b2971d7a9b6ac716041b6865208082a5378' 
  AND (
    token = 'fuLls2QuzRr4EbqOx7ktUqiA6hh1DWlJfU3UEMCPCrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )