UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Db+SBEzpaL5LEPG1jDDwkAz6ekMmDG5bKSlg8mcAFSA=' 
WHERE 
  key_id = '91b9f94ae6e7b82658a20c72a6e534a13039e630b9d4d788515eebbf66d19f9d' 
  AND (
    token = 'Db+SBEzpaL5LEPG1jDDwkAz6ekMmDG5bKSlg8mcAFSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )