UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6JhXQZPiVJ/JWh8q6X3tqr4LaRQjz5LaaElp4KshEH8=' 
WHERE 
  key_id = '20f4a5ecb44a66a953824d75c41829ceb9b376b166c5e4dc44b2b43eb2571bac' 
  AND (
    token = '6JhXQZPiVJ/JWh8q6X3tqr4LaRQjz5LaaElp4KshEH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )