UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nXaDPLTTCBN/OHShd8z/rk0oxnNSu990RDr9KqXvHc=' 
WHERE 
  key_id = 'a75149595e290b4a63a5f3dd35bfcf32869f7571698c80641464669c5aa8af4f' 
  AND (
    token = '6nXaDPLTTCBN/OHShd8z/rk0oxnNSu990RDr9KqXvHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )