UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sz5y0oU17EiQdyOGsa6hZjDdLPW4vNRpKGjCU8qtgXw=' 
WHERE 
  key_id = 'b7b899034c3ce8454414d7ae5fd8c972aa6af06b18296eb8ef5dd325846d4774' 
  AND (
    token = 'sz5y0oU17EiQdyOGsa6hZjDdLPW4vNRpKGjCU8qtgXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )