UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p4pyX2Ofyb/84G+aefZ5YqLQnaP1wtOtZ6C9kgw74bU=' 
WHERE 
  key_id = '50ac1dcdfc2d8992696c5a3273d80ba6c913ff1d5ac7a3553a92a52050a25ce9' 
  AND (
    token = 'p4pyX2Ofyb/84G+aefZ5YqLQnaP1wtOtZ6C9kgw74bU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )