UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AvnAL5hpsd4SjkXJhyNxWvGK0DKmuxY5/0bMpi3DThE=' 
WHERE 
  key_id = '2c46c6675bd0afd3fceed8406007e013883e0523feb431eb3b2c3fb412a0496e' 
  AND (
    token = 'AvnAL5hpsd4SjkXJhyNxWvGK0DKmuxY5/0bMpi3DThE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )