UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4GDdMgvbD3PjAguECZl60NxIuwzNqzpmLrlR6MpGWU=' 
WHERE 
  key_id = 'b6bdbe6238cdb885e61b3ecf0931e89093c3fdcc22286091d103c0c0ee970ee5' 
  AND (
    token = 'u4GDdMgvbD3PjAguECZl60NxIuwzNqzpmLrlR6MpGWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )