UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LDzwBedkcHuh53VroVqve5hw3097CrvNK/r2S+9Wa3Y=' 
WHERE 
  key_id = '4915c016cb751cce201f9fa73799ac76cdb32ea2f38476cc8a4beb796366161b' 
  AND (
    token = 'LDzwBedkcHuh53VroVqve5hw3097CrvNK/r2S+9Wa3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )