UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PL/a3BqeE+8PrEq2zMwWLBqPal8/kFAUeqyY0arsP8o=' 
WHERE 
  key_id = '1a1ba24fe268a77c173f8bd4d8158f7b018e6d1cc04f95d2b1311da8ce2b4db8' 
  AND (
    token = 'PL/a3BqeE+8PrEq2zMwWLBqPal8/kFAUeqyY0arsP8o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )