UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dSlgWPDpGnmvVMDgSq+Fa9Sjf1WprvIBgFxCcFtK/FQ=' 
WHERE 
  key_id = 'c761c8ea4b71b3c72638356bee9393bbadf72c5545d2e1e8581d718e86b56529' 
  AND (
    token = 'dSlgWPDpGnmvVMDgSq+Fa9Sjf1WprvIBgFxCcFtK/FQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )