UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2ur2w+393gcYQgg1tG3TWYSYxmRoeqWz5pAqbC16ztI=' 
WHERE 
  key_id = 'b27a45e1bc2faa886febc4859dca2eeeab6a99c33736e6e5758d3209a199494d' 
  AND (
    token = '2ur2w+393gcYQgg1tG3TWYSYxmRoeqWz5pAqbC16ztI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )