UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7EBwsZPpVmlYQV2MRS3zjoYvidjlXzt7jb3anu0k0I4=' 
WHERE 
  key_id = 'a68a2a59bee47901652d81384acc63f98906cdca761437e76bda55eebc3b3659' 
  AND (
    token = '7EBwsZPpVmlYQV2MRS3zjoYvidjlXzt7jb3anu0k0I4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )