UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elt3EyCkmuL7E6fzSx2RmXt9thxh2LR+486iXXmK3OY=' 
WHERE 
  key_id = '79cb30b67a84ecd7023df3442ff1d4063c17fb79c3e94193676ce5246cfd546e' 
  AND (
    token = 'elt3EyCkmuL7E6fzSx2RmXt9thxh2LR+486iXXmK3OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )