UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Et155QbTzz5gd4vFa6KmodOTAk9qjQ3IoPQPh79Q2CU=' 
WHERE 
  key_id = '420e9c890bcd4ead1ede2facac1325e25d10ddf6e7da5e7aeabc306e809d52fb' 
  AND (
    token = 'Et155QbTzz5gd4vFa6KmodOTAk9qjQ3IoPQPh79Q2CU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )