UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K4ufEBQJDKm4BL+MnAzplNRy2VjnLlbgSI8LH5HWBFY=' 
WHERE 
  key_id = '7a9ad3350698b864e5af9ae94d1c923a9e1fd8800f769017383ca7a3d00098b4' 
  AND (
    token = 'K4ufEBQJDKm4BL+MnAzplNRy2VjnLlbgSI8LH5HWBFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )