UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LEhjQWL9YWTHtZ0FMpg5IxPVxJsiYedVvtV2TBLadzE=' 
WHERE 
  key_id = '4b0ecdc762c075a27332c09196d5263d206e538adec709c149e6e35890d17698' 
  AND (
    token = 'LEhjQWL9YWTHtZ0FMpg5IxPVxJsiYedVvtV2TBLadzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )