UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BSjo6clyw8rRWljehVKKv3v6toMUZZ4fxXOAUahetjw=' 
WHERE 
  key_id = '6240878f647b04d035c508f89f2d8bbe8eb40ad2b764c34e08dc99e59df80451' 
  AND (
    token = 'BSjo6clyw8rRWljehVKKv3v6toMUZZ4fxXOAUahetjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )