UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlS6tCiRfNgvxE+F4lKNKtzFs2rCqiRwXscoB1m9wVU=' 
WHERE 
  key_id = '1b4a3cf3f6ebc41934fec9ed94a4131337ab870cda1a0e2fda0011568545ed36' 
  AND (
    token = 'MlS6tCiRfNgvxE+F4lKNKtzFs2rCqiRwXscoB1m9wVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )