UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'si1Aer+1SwZRFi0x7wwWfZcgwohurdG2pUkN1Tlr7/w=' 
WHERE 
  key_id = '53608c712cd621dae0bca12ec22201edd69f3218b329a6aad050b566c0ab41a5' 
  AND (
    token = 'si1Aer+1SwZRFi0x7wwWfZcgwohurdG2pUkN1Tlr7/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )