UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SlyhP7R7yEMi8SjkiUYmVoJYS2I7cGVM0KRzuGItNmM=' 
WHERE 
  key_id = '5c81e556f347e9db6abbcb99831c4843e84c2615ecb189ed08efaec6d4240549' 
  AND (
    token = 'SlyhP7R7yEMi8SjkiUYmVoJYS2I7cGVM0KRzuGItNmM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )