UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Quen7vU6mC2yVskEI66GIJm1Z+tVootnmGEkrCKnr4=' 
WHERE 
  key_id = '3f1aa866a98fe674e50b354d28d3072e4e0097601408936e85e99d2ad8c51b19' 
  AND (
    token = '3Quen7vU6mC2yVskEI66GIJm1Z+tVootnmGEkrCKnr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )