UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OQYs71XmjGoYc7OZsy6+ODEe7xxDJKJ5XB0HV46fw9k=' 
WHERE 
  key_id = '51eb675ee55024a54cc7e26ac35df076d874a70ddf2c285b80d4019977484d0f' 
  AND (
    token = 'OQYs71XmjGoYc7OZsy6+ODEe7xxDJKJ5XB0HV46fw9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )