UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bt8/bMo0hcz355BLXnAA5eggqy3j/3oDIoa96HzI/qQ=' 
WHERE 
  key_id = '68d25718748c77250d8d4750fe0574bc870a266dff2f5e6de424775222a48acd' 
  AND (
    token = 'bt8/bMo0hcz355BLXnAA5eggqy3j/3oDIoa96HzI/qQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )