UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KjzDOUnWQcV345f8Cq5J6SPTj/2zogNbOgsItAGG6Fk=' 
WHERE 
  key_id = '510ccd4185e04d112d78ede628e2f42c5b56827f34add4494423f846282d0c38' 
  AND (
    token = 'KjzDOUnWQcV345f8Cq5J6SPTj/2zogNbOgsItAGG6Fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )