UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aMRR4ks8kiTIgPAzbPqjMbtwhWxru6EaeHmXpdSjTzU=' 
WHERE 
  key_id = '69c0da576171360b9b81adb0968dc7c9e524775f1d066085d7a0f8014d3cf0d4' 
  AND (
    token = 'aMRR4ks8kiTIgPAzbPqjMbtwhWxru6EaeHmXpdSjTzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )