UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N50X41/u9UJn3VwDGexLuKA11BbAJVOOX0NZgPOoDLk=' 
WHERE 
  key_id = '39caa6e8f46825b754db25136ca088040ee7f989d650613b4b039a1e40d31971' 
  AND (
    token = 'N50X41/u9UJn3VwDGexLuKA11BbAJVOOX0NZgPOoDLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )