UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aaeP6UPNbiieHnBYFNaB1kKuEMNgrPp5grs57daGbL0=' 
WHERE 
  key_id = '657926e6f8c8f104fd88bddc8354afcc4a987e44d0046a14d31656c1bd25b29c' 
  AND (
    token = 'aaeP6UPNbiieHnBYFNaB1kKuEMNgrPp5grs57daGbL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )