UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'US5BM6/u6aXnBo+tsl/PjurOe+jOcaGwKtKnEg53yfg=' 
WHERE 
  key_id = '94c6d8777f03045643d1e5aa93544f5396caf27132b6625d08fed3d13fb26318' 
  AND (
    token = 'US5BM6/u6aXnBo+tsl/PjurOe+jOcaGwKtKnEg53yfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )