UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6dk8a6LnfEYxSylBR4exogFl57uiumWnqz6m6MMGxlg=' 
WHERE 
  key_id = '79391cc90a60460bba6908b1008381dcf2a1930abf80a38aabac59bf88a651ab' 
  AND (
    token = '6dk8a6LnfEYxSylBR4exogFl57uiumWnqz6m6MMGxlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )