UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LddZbhhAn/F6/JNgEnlYFabJGbIq0flZdXc2JxHAMHw=' 
WHERE 
  key_id = '821ba8a5fdb1e9183962b6c91b990d3ff09ab26711730c9611a444436b24c4c1' 
  AND (
    token = 'LddZbhhAn/F6/JNgEnlYFabJGbIq0flZdXc2JxHAMHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )