UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zW98bNkMEznjekn97HhRGqoki3TA8njGSsFOn0Yv76w=' 
WHERE 
  key_id = '5277aeed42ee4bf3345538c60b45394b9774caa12403e0eed3af0fcb180ad8f5' 
  AND (
    token = 'zW98bNkMEznjekn97HhRGqoki3TA8njGSsFOn0Yv76w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )