UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+ehTAJSijjBZo1FsRQm+3oGAGuGsGVlFyq1jOVCq0q0=' 
WHERE 
  key_id = '6dc240f22e47e6d03504b9b6002021f56f01c42aa29dfc548035b3890a26d3b3' 
  AND (
    token = '+ehTAJSijjBZo1FsRQm+3oGAGuGsGVlFyq1jOVCq0q0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )