UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KQUc0QVw4OdZDe4ruOjh9lDb7LFegs9jX4/z9hWLKkw=' 
WHERE 
  key_id = '13d55c96d4fa3c4136066c58b912b164d8ec0fe59b1b30296ada3766a9ea88f7' 
  AND (
    token = 'KQUc0QVw4OdZDe4ruOjh9lDb7LFegs9jX4/z9hWLKkw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033