UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pCahRnKXtqNyOro+fLQkYZFzl2OyufqdMkhoS8hhD3Q=' 
WHERE 
  key_id = '50d4b5c49679d4afd20c35c447ee7ed952a9b48b5fd864dc69f486245d9e6bfb' 
  AND (
    token = 'pCahRnKXtqNyOro+fLQkYZFzl2OyufqdMkhoS8hhD3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )