UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tGUTY7AFVPkLTMYMiGjWnDlYGz23GJmEp4nToo0BKuo=' 
WHERE 
  key_id = '15b58d1667987f3a6a567e9c62aed2327ec5e7604b64227834e68b1afac502a5' 
  AND (
    token = 'tGUTY7AFVPkLTMYMiGjWnDlYGz23GJmEp4nToo0BKuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )