UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8n1gr/ceV8W3zx23TzY0O3jwbT1WYrQMM0fSqbOeWQ=' 
WHERE 
  key_id = '2d94b105f2e51dd712d711db301b677df1f6b96ff525af6666af1a9a2548d5a3' 
  AND (
    token = 'r8n1gr/ceV8W3zx23TzY0O3jwbT1WYrQMM0fSqbOeWQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )