UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JnmbjLXni0y4g/ho9hG1SyE6bLlCmYDbGvmLdgmws5A=' 
WHERE 
  key_id = '87f9731f4211ab1914c9e04bc68988b7fdc67d13bc33e53a111215431ce29730' 
  AND (
    token = 'JnmbjLXni0y4g/ho9hG1SyE6bLlCmYDbGvmLdgmws5A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )