UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SavJpQ27fTQrw9VxKl2E83aOXPWTIVqku5AdaHsNUhI=' 
WHERE 
  key_id = 'bdecc0b0d43ad01a1ac1b9b1ddd884f17085eabd71b163778911fe1c9e06fc6c' 
  AND (
    token = 'SavJpQ27fTQrw9VxKl2E83aOXPWTIVqku5AdaHsNUhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )