UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pYgD356Lgs0lZK3dFnRKy3J2ipAcbgcwI7lmoOcCx9o=' 
WHERE 
  key_id = '625c98cf4d9c8b88a813a690f9d6940e9132708487b760d7544429737112fc45' 
  AND (
    token = 'pYgD356Lgs0lZK3dFnRKy3J2ipAcbgcwI7lmoOcCx9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )