UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x4GhbvNC5Kn7gpOdDbasUEUWVD3PYgqa0p+g6IfRqcY=' 
WHERE 
  key_id = '3b3d2b75788516e58b51eb9458a203ebe9fb11a7f3146822a21d5b2a93a40d7d' 
  AND (
    token = 'x4GhbvNC5Kn7gpOdDbasUEUWVD3PYgqa0p+g6IfRqcY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )