UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eGX5bBa+C25sxYRcVRekSjYQYGbni+sqXhjW3NqQ/LA=' 
WHERE 
  key_id = '7f451df9f79e6e379c84b6f722041c6351c0059576ccecc1d16fb2e299415163' 
  AND (
    token = 'eGX5bBa+C25sxYRcVRekSjYQYGbni+sqXhjW3NqQ/LA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )