UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6GC7CCJPMgGw6F5PT9nzb/uTdLIYEmaZ9AJCdOD+flY=' 
WHERE 
  key_id = 'e6e1e4393485c1bebacc47b7ffd1bbb9199dcf2b1781c4457dbf387fd5cd83db' 
  AND (
    token = '6GC7CCJPMgGw6F5PT9nzb/uTdLIYEmaZ9AJCdOD+flY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )