UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xLzvsxfFtuAUs1uTfUyjUL5SGxxt0W7gHmSlSjV0eX0=' 
WHERE 
  key_id = '4eddc3551940284ccb0a6a556ab42d530c74be694f489322866ac5d1e8e5efdf' 
  AND (
    token = 'xLzvsxfFtuAUs1uTfUyjUL5SGxxt0W7gHmSlSjV0eX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )