UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zNMRNqzb5N8RV9WsXkgZIm8A8OI2V5eynIp1EUl9o1U=' 
WHERE 
  key_id = 'a6fe5d098d02ac0abe001f4b48fa3802561ceb309d165c1c12ee150fe02b099e' 
  AND (
    token = 'zNMRNqzb5N8RV9WsXkgZIm8A8OI2V5eynIp1EUl9o1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )