UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pJGc0wPWy+tI6pq77ESGfos3c6OH5Y+8p9sUz2x8HrE=' 
WHERE 
  key_id = '6e371364a9a3a22c4de3293790b162bf745a4fe96be37cada2412f3475af7178' 
  AND (
    token = 'pJGc0wPWy+tI6pq77ESGfos3c6OH5Y+8p9sUz2x8HrE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )