UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81oVmd/oqrfwN6pej4Rd3DykUgaeDiMk5yGDSoJKLuc=' 
WHERE 
  key_id = '93977531593a47ea24ecf37a035226d4e2ec2c7d7462790fc829f0811c613940' 
  AND (
    token = '81oVmd/oqrfwN6pej4Rd3DykUgaeDiMk5yGDSoJKLuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )