UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gr1euGaQA2ADZnezgT52BmxndHZaUS4jfdyCGYRFtHc=' 
WHERE 
  key_id = 'c20daa48b1c6e279083c36ae0bc4c142692139be2a8ec647e540bdce38b31fad' 
  AND (
    token = 'gr1euGaQA2ADZnezgT52BmxndHZaUS4jfdyCGYRFtHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )