UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TnjWbZAThYdqMmozebSBVjDmD2zGyCMJQEFpKxTe8KM=' 
WHERE 
  key_id = 'b3c4ce1582afeefc820fbc03afb36efe51a7037b354bd73d094b00572a05843e' 
  AND (
    token = 'TnjWbZAThYdqMmozebSBVjDmD2zGyCMJQEFpKxTe8KM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )