UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G6QQ9dlV5tYmVzFiWTf7xeBvLIZdKLqbOi8AU4UuVJc=' 
WHERE 
  key_id = 'b6b2b27c08dddcdfeac2eacf33fdb8246cdc6a7d51eb6a7660a0a120e13da209' 
  AND (
    token = 'G6QQ9dlV5tYmVzFiWTf7xeBvLIZdKLqbOi8AU4UuVJc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )