UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ehG7YQjYjmv3axX/GIYTkU5dh3sDRtUkJlgn0ZRqEIc=' 
WHERE 
  key_id = 'ea20fa8ba66d14d919d529a547878596b8b72d0fa70efc6323873139e0749428' 
  AND (
    token = 'ehG7YQjYjmv3axX/GIYTkU5dh3sDRtUkJlgn0ZRqEIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )