UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A1FMj9ehoDweHu9ucBbzHYZGn3ci+64oxcsqH27rZaE=' 
WHERE 
  key_id = '5266a275f61ce272e34b62682ffc6d4d8ec52fe8a1e33ff65ef58fae320f6e3c' 
  AND (
    token = 'A1FMj9ehoDweHu9ucBbzHYZGn3ci+64oxcsqH27rZaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )