UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkzoQf7iufE6JAt8mL1Xj7hGZKGGviBnGY6FjnR9I88=' 
WHERE 
  key_id = 'e276ae495d981f1e9c20eef91efed58f0fb13a6fa519f562fde5f526e6e3c714' 
  AND (
    token = 'PkzoQf7iufE6JAt8mL1Xj7hGZKGGviBnGY6FjnR9I88=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )