UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mZnTTvKBwtvbexTYU+ygMpEdELEnmghHt6IsA9FcQgI=' 
WHERE 
  key_id = '7adcadca7e5b125b9e11127a966458c52953738b804afb09dddcddd4dc04c3e1' 
  AND (
    token = 'mZnTTvKBwtvbexTYU+ygMpEdELEnmghHt6IsA9FcQgI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )