UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f6em/tSIMr4cZ4Gtht9oGcU6/UB0a4biKOSmns3qmDg=' 
WHERE 
  key_id = 'a8c2da239729e5e9d93b293b29a361efdf8f514f841bbe36432a6f72237c429d' 
  AND (
    token = 'f6em/tSIMr4cZ4Gtht9oGcU6/UB0a4biKOSmns3qmDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )