UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1fp6PlkxtMYRO30Fznw7df3EDFe8VEiqkhqpk04NXKU=' 
WHERE 
  key_id = '81ca50be1903d83a3214d668eff4f2f24762bffcdca25a1601e56180dee2131b' 
  AND (
    token = '1fp6PlkxtMYRO30Fznw7df3EDFe8VEiqkhqpk04NXKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )