UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XwunzumGvX2rKzVGjs4BTG9qhuPzmvqdt+3Mx+0fomk=' 
WHERE 
  key_id = '78bf968327d731ff0662acfd39e67e471d506ae3f7bc924935fa4c95e7319272' 
  AND (
    token = 'XwunzumGvX2rKzVGjs4BTG9qhuPzmvqdt+3Mx+0fomk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )