UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OPIwMaLln2fQKZxxmL3tBnk08uNNqWEfu7UDrd5fJiA=' 
WHERE 
  key_id = '4c90a9f90fe6c789171dddba146065ec96987973003269eee07a5c1d2e90902a' 
  AND (
    token = 'OPIwMaLln2fQKZxxmL3tBnk08uNNqWEfu7UDrd5fJiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )