UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tM4mbMGw+K/EG533zktQj9s6wcan0qtOsxqL8RH1HZc=' 
WHERE 
  key_id = 'e9ec31598960daf9c5f181af748e50412c0d46dd44eca523fada891878bc4929' 
  AND (
    token = 'tM4mbMGw+K/EG533zktQj9s6wcan0qtOsxqL8RH1HZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )