UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AY4mGXhjv3peBdNzYkCI9Y2uO7DVOkt45rdVSi2qqbU=' 
WHERE 
  key_id = '8520fbc283ed44e1dd777e853c31bcc254748004010c66f40cc425a040b2bca0' 
  AND (
    token = 'AY4mGXhjv3peBdNzYkCI9Y2uO7DVOkt45rdVSi2qqbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )