UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QxwJasvZmEZYLT6u6xfhGRvJLx9jygj5xnCH7V4uxyY=' 
WHERE 
  key_id = '538ecc7e0e3333ce974140a00797365757933b8c8852fb0c1e89f3bc731c0ad7' 
  AND (
    token = 'QxwJasvZmEZYLT6u6xfhGRvJLx9jygj5xnCH7V4uxyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )