UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mhSSrJ4xC7R/ttWEJ+WY7vgUwix3QCFkavglXVcUouY=' 
WHERE 
  key_id = '91321c42472f5ef717bb2f96e3099a2148a498bc6f40a383e524e10a5f1be733' 
  AND (
    token = 'mhSSrJ4xC7R/ttWEJ+WY7vgUwix3QCFkavglXVcUouY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )