UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euSN9LXcQaS6KRRsiGEJFGBwHwQPTRxaX4AUuS4zCeI=' 
WHERE 
  key_id = '6e7fa45ad10c6f97d47dfba06e3566816dabb6e4e59ecfb2d6435196682555e5' 
  AND (
    token = 'euSN9LXcQaS6KRRsiGEJFGBwHwQPTRxaX4AUuS4zCeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )