UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u1e3E7IodVOAebPX9jP4a21W0VMvkk+5/E3MJxiR2AM=' 
WHERE 
  key_id = '521a76d04ca3559d86c6eca1585550176c2b05c6bd7d14a5dfc392406d11449d' 
  AND (
    token = 'u1e3E7IodVOAebPX9jP4a21W0VMvkk+5/E3MJxiR2AM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )