UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wc3BVUu+IWT2m3s9YSNAeu93WkaMwM07XAEwmemmyYQ=' 
WHERE 
  key_id = '67893d6a85946eaa57ef240a54cc40b348bda016204adb13087a8d6da80d826a' 
  AND (
    token = 'Wc3BVUu+IWT2m3s9YSNAeu93WkaMwM07XAEwmemmyYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )