UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '78DKDHnUU7AmJAqFNYzi4hpCWYKR1FGnwt5vNvg9I+4=' 
WHERE 
  key_id = '951c96c80d88fbb34e3ba4b1271cbd503083f15decef5211375064ae235f2d24' 
  AND (
    token = '78DKDHnUU7AmJAqFNYzi4hpCWYKR1FGnwt5vNvg9I+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )