UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aCH76P4tKjs9iaQmr6GmdEydUQtD0jUDmunFG2P/aN4=' 
WHERE 
  key_id = '6976568134e72772a9b959245b866314f1d324830ca3fc3aefe344192b1f4344' 
  AND (
    token = 'aCH76P4tKjs9iaQmr6GmdEydUQtD0jUDmunFG2P/aN4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )