UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zRLvLPczrafj9PLWdyVM+miEkWZVjwTwNqOHiLkyCu0=' 
WHERE 
  key_id = '31600e58ef90910ed96bba1fbefdbef88ced715ba2b6f5f33fbff5b818482c22' 
  AND (
    token = 'zRLvLPczrafj9PLWdyVM+miEkWZVjwTwNqOHiLkyCu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )