UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6H7j+BCtgPs4WM9mtx45oHTlKHAmoMkM+ywT/en92c=' 
WHERE 
  key_id = '7d5dbd473f4c0535f40e34ebf41ed403a62e3b536be200a68954c1d972ba9141' 
  AND (
    token = 'k6H7j+BCtgPs4WM9mtx45oHTlKHAmoMkM+ywT/en92c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )