UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6r0lbHDDf6vP4IHl3GwrSc0OBByA5mlsetnb5e0uTQ=' 
WHERE 
  key_id = '20b9ae4e960cbe5413e1dd053faf4f6648b3585ab8cec3ea63d5f328b3a41c1b' 
  AND (
    token = 'u6r0lbHDDf6vP4IHl3GwrSc0OBByA5mlsetnb5e0uTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )