UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '77cBmfS8nWQlKZJ3OYP2IkTWVRhaq1X1O7+KalSGgag=' 
WHERE 
  key_id = '6768da60879261797fb9e164199d0ca22456fc4c805b4c748a26cfefcc7cef0f' 
  AND (
    token = '77cBmfS8nWQlKZJ3OYP2IkTWVRhaq1X1O7+KalSGgag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )