UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21hlW2g7qUNmg0PGRslTKPgHT9f4wfw7AtkJ5+ilfzY=' 
WHERE 
  key_id = 'bc529d233e28d76a3cb3cb1c3b7bcae2144a291b5960bf498046e2c3e1abda84' 
  AND (
    token = '21hlW2g7qUNmg0PGRslTKPgHT9f4wfw7AtkJ5+ilfzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )