UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y7O0vrTUTjIdspzZfCLMxgoxEuLAUyZVr9wtEdDR/8c=' 
WHERE 
  key_id = '45ec65bb07319288cc793b5186f4639c83dbdbde99118cd758338052b72a9486' 
  AND (
    token = 'y7O0vrTUTjIdspzZfCLMxgoxEuLAUyZVr9wtEdDR/8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )