UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Me+bQjwWfYUaXQjIqaowVfFp2FjPizBitM/85NU5/+s=' 
WHERE 
  key_id = '279412ea225e77c59ea93334bc68a30432f1851ce11781917f73b17a66dd2a8d' 
  AND (
    token = 'Me+bQjwWfYUaXQjIqaowVfFp2FjPizBitM/85NU5/+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )