UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HkLdHfnLkFP7/0zp91qhL0FDfc8bJnHKiuPVLg1EvZk=' 
WHERE 
  key_id = '79b8695ac72d86073c8a05e91d7c65db3edfffbb00d4a8e6360276b10c5d4acb' 
  AND (
    token = 'HkLdHfnLkFP7/0zp91qhL0FDfc8bJnHKiuPVLg1EvZk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )