UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Db0+ZaIGQIg0QQyJSYQK/hW+/DTcaQyxNv6XdFPEzCc=' 
WHERE 
  key_id = '5639a0540416639cace9eab4d4a64d946ceb6f91220b4de331640f5876aaef7a' 
  AND (
    token = 'Db0+ZaIGQIg0QQyJSYQK/hW+/DTcaQyxNv6XdFPEzCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )