UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'blPaBR03TSF3DKoFCtG4MEIiPNucZyGIaTsQd8FkSuw=' 
WHERE 
  key_id = '351e1cd1c2760b81b5344fc898e9a9c176d389a130654eab6a5597df6e891c4b' 
  AND (
    token = 'blPaBR03TSF3DKoFCtG4MEIiPNucZyGIaTsQd8FkSuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )