UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TkFtOMxw5Drdj+WyjeEiNYFlVaCp9SBKJdfxIl4aliA=' 
WHERE 
  key_id = '1252081ac27ac4e21ebf3c17edf435cadaecc53e776eff59fd25232268432be3' 
  AND (
    token = 'TkFtOMxw5Drdj+WyjeEiNYFlVaCp9SBKJdfxIl4aliA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )