UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'si3Ruo3M3GNJUPpqYNsJFKQAMjkDJJKn63UKRRGeb2Y=' 
WHERE 
  key_id = '27156373a0216a9a33a4f6a3ce14a32cd26140e6a3371bcfab5591b894abfe28' 
  AND (
    token = 'si3Ruo3M3GNJUPpqYNsJFKQAMjkDJJKn63UKRRGeb2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )