UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LJwgL/tY3p90pfwwHWqnAYeGSJLwXGY1tOiGuu64ts0=' 
WHERE 
  key_id = '3929cef983f595124c77a240b4844b7f9112957ae5f25729b1cbaa278a6d8642' 
  AND (
    token = 'LJwgL/tY3p90pfwwHWqnAYeGSJLwXGY1tOiGuu64ts0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )