UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cf3zWInP44+2GO+KUZs15HkUwV03Z7/9pEx074pizIM=' 
WHERE 
  key_id = '2393c2c593825af1d8ec038321006a0ec7c617ab1756392cc33289de8c261b59' 
  AND (
    token = 'Cf3zWInP44+2GO+KUZs15HkUwV03Z7/9pEx074pizIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )