UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6NExC2uqSc5ma91BWvA4aeKItSF0SazOmdPgwygRITo=' 
WHERE 
  key_id = '23531c54ce4b4b257a6275ebcdf984e14347b9d8e7a6bf435ba07859c426e430' 
  AND (
    token = '6NExC2uqSc5ma91BWvA4aeKItSF0SazOmdPgwygRITo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )