UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDjbUp/BaP6aueW9darcbDcWKMtqanwgiKAnmc/h7gg=' 
WHERE 
  key_id = '6af0da4afa3800b87032cc6e04591579187b9585b7426060ccbe2aef99e8bce9' 
  AND (
    token = 'PDjbUp/BaP6aueW9darcbDcWKMtqanwgiKAnmc/h7gg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )