UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6W+GTLfWbzYQr7I4t2B2DKush6XsSZyIVca7yFjnwac=' 
WHERE 
  key_id = '8ec00b9409083d96de00d45eeb15ac5db546e361312f96f9b1717ec9d59dc773' 
  AND (
    token = '6W+GTLfWbzYQr7I4t2B2DKush6XsSZyIVca7yFjnwac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )