UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xUUCjGsKoLWucfvioICxK8lup8528KyJffM2dAT36eQ=' 
WHERE 
  key_id = 'a4193168488ef161c6f88d0f27c1d53b830f0acd22e1140b14fc575c253095f3' 
  AND (
    token = 'xUUCjGsKoLWucfvioICxK8lup8528KyJffM2dAT36eQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )