UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'twd8ZdSNMUGmQhiIGbWEPVu3e4Y0jVc26MsvB9BoyLQ=' 
WHERE 
  key_id = 'a75e865215763df992459f2b01fa41868df06029023877268a6d3bf95944964d' 
  AND (
    token = 'twd8ZdSNMUGmQhiIGbWEPVu3e4Y0jVc26MsvB9BoyLQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )