UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qgk5tK8KVsw3p/iolhR8CtL+xt6a0NQld0UWN4MerIE=' 
WHERE 
  key_id = '8bcc35c23f8d3739cf10faac15294eff9ad78902dfb9e745249b6942593f5c31' 
  AND (
    token = 'Qgk5tK8KVsw3p/iolhR8CtL+xt6a0NQld0UWN4MerIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )