UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8dSb4lGkzPAkEiR8E0eGFqFYJXSYsOXpVvbJkeYH9A=' 
WHERE 
  key_id = '4cd48d4e25e689779a468154da5d4be683cc81a863848b7553ee16fbfada6382' 
  AND (
    token = 'N8dSb4lGkzPAkEiR8E0eGFqFYJXSYsOXpVvbJkeYH9A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )