UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QW450AJcv8Mnf7q7k6X/5M3SYI6IhyCjD7ArFNsWDlY=' 
WHERE 
  key_id = '8046287418bb703fa968d2fbf0502a1ad9fd72b77ae97b6c8b41fe2e4ce1caa2' 
  AND (
    token = 'QW450AJcv8Mnf7q7k6X/5M3SYI6IhyCjD7ArFNsWDlY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )