UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WEb6y5cqyuQ2KvHTtR2UIxNhNI6vlX6BK2sCYzfwckQ=' 
WHERE 
  key_id = '1c975493a1ad3b3564b7a8f7fed3240ce56eb21256a63e79317f9245174ddb4a' 
  AND (
    token = 'WEb6y5cqyuQ2KvHTtR2UIxNhNI6vlX6BK2sCYzfwckQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )