UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ffVnGAqIg16a8VjLD0TTCRFxjfhUPloPZRwjb4dtCUc=' 
WHERE 
  key_id = '23d92953a762d877e17b1fe53a5b347a7ba6b1da7754f5cf93fcf0299509a382' 
  AND (
    token = 'ffVnGAqIg16a8VjLD0TTCRFxjfhUPloPZRwjb4dtCUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )