UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h71Bq7Q6nvnDx0KEvywE5z0qaLqTaOfuMVVRDbZvnig=' 
WHERE 
  key_id = '4b42a6de9586f6489ea4493f535fb060170479e77fd44280b5d607c1cad0fa30' 
  AND (
    token = 'h71Bq7Q6nvnDx0KEvywE5z0qaLqTaOfuMVVRDbZvnig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )