UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8jsvJFkvAXrjkNXlm5uQo+6P5tKwTM+eNzPXZLuIgwY=' 
WHERE 
  key_id = 'a36f3d6477f9514b2f53120f64de6639d7ad71669904826597abac183542d523' 
  AND (
    token = '8jsvJFkvAXrjkNXlm5uQo+6P5tKwTM+eNzPXZLuIgwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )