UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't8FIlbvUgAFs+BUbTREiePTuXHz+7l7qfMUIpzR+QwA=' 
WHERE 
  key_id = '7124575b40e336f72c007bd8b4307c872827cdc1f9f626b9757e34a81593fe40' 
  AND (
    token = 't8FIlbvUgAFs+BUbTREiePTuXHz+7l7qfMUIpzR+QwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )