UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rf39uv/+gQ77fmCaPuZaqcN9bsOYuKgVvEUfQV1eFPg=' 
WHERE 
  key_id = '26a53a7f3207d963862adfb719675e255970aec1b05ff4e48493519552831f90' 
  AND (
    token = 'rf39uv/+gQ77fmCaPuZaqcN9bsOYuKgVvEUfQV1eFPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )