UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Si/L7nR8yWz/CAMd4BY0zE16b3BKPT357uc68VMrKuU=' 
WHERE 
  key_id = '2bc8117d6041f54e8336b6f3416f9f90e576d897f9e0d1782d6e105b921f390c' 
  AND (
    token = 'Si/L7nR8yWz/CAMd4BY0zE16b3BKPT357uc68VMrKuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )