UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8n5E+pkU/aQI43ooUvTHrhBAB7VkVfzrmrL/11uDmc=' 
WHERE 
  key_id = '7a173dfd905f3bbc6e38dc7ecae6166a21bbc567ef667d3ecb91a2e453fe35e6' 
  AND (
    token = 'R8n5E+pkU/aQI43ooUvTHrhBAB7VkVfzrmrL/11uDmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )