UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S0j4TNwnOsFfgqEpyQKNMEUuOHjjXSTh7RC6IxgMTOY=' 
WHERE 
  key_id = '84d6b79e7886224364397f8e406f9b3a68380807c51df2014f951d5332565a83' 
  AND (
    token = 'S0j4TNwnOsFfgqEpyQKNMEUuOHjjXSTh7RC6IxgMTOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )