UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dkX73/QtPL5SD9hewD8MEYHskkfBe+EIUPjBijyt6A4=' 
WHERE 
  key_id = '7fdb515616dfdb79dd095885364350f7be72df4f2dbe81f45b18de11490a9870' 
  AND (
    token = 'dkX73/QtPL5SD9hewD8MEYHskkfBe+EIUPjBijyt6A4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )