UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c8SN8bn2QH2OjwtqcPesLbIw0NqJpUlgg7iSsc9OgoU=' 
WHERE 
  key_id = '6ee4ec4e6625a7da9d3f7231386ec8c5e9fccd3d127c993c9f5b3c187972a51d' 
  AND (
    token = 'c8SN8bn2QH2OjwtqcPesLbIw0NqJpUlgg7iSsc9OgoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )