UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o6/JcrFGzv9o26VivcBYN/6ODEJy4GsstTjIEDxU1qQ=' 
WHERE 
  key_id = 'e3b6f3dc4773a44ae4abf3ea9cbf0061e804a77078a6bc6f4141e3bd5aed1bb6' 
  AND (
    token = 'o6/JcrFGzv9o26VivcBYN/6ODEJy4GsstTjIEDxU1qQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )