UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BEaolLwKcjWZus8kHlfLtTTlTqybuOLQg8+dpsrdH7U=' 
WHERE 
  key_id = 'aa515d9706ab913ecc1eb55add1af62b9e1241b45cc9fd77cdd5df06174e3be4' 
  AND (
    token = 'BEaolLwKcjWZus8kHlfLtTTlTqybuOLQg8+dpsrdH7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )