UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKuVb9oMOf2SHItzAx9fphtc5Mfhb/ak5mymgE7jEiQ=' 
WHERE 
  key_id = '1b71a8cd7111fd615758573dd5c9c0aad016fb113b6f59632bf7b2fbdb889927' 
  AND (
    token = 'RKuVb9oMOf2SHItzAx9fphtc5Mfhb/ak5mymgE7jEiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )