UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PSU0dMByBnDYTdecwH0fWLsi013/dShQmm/2VdiIQ+8=' 
WHERE 
  key_id = '68a81065b62ac37a6d19909c30a23a92e2a1ee1cc9c44d0d321129de11a06af4' 
  AND (
    token = 'PSU0dMByBnDYTdecwH0fWLsi013/dShQmm/2VdiIQ+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )