UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tNpEMhlAaalmKdMfmjQnB2gpm84cnMsBQgCz6h/69YM=' 
WHERE 
  key_id = 'c2e0ca04008e43e4a5a7010d99bee6f9327a7d7f69e09b48af5bee059233bcd9' 
  AND (
    token = 'tNpEMhlAaalmKdMfmjQnB2gpm84cnMsBQgCz6h/69YM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )