UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mr8Ujyx+mmuJcc7jIpu3ShVxFrOtceXg8cHZiptf+Ec=' 
WHERE 
  key_id = '357bf02db1294d5af093a8cad17874b35d342d8e88e567520ef4bc68b6d8fb67' 
  AND (
    token = 'Mr8Ujyx+mmuJcc7jIpu3ShVxFrOtceXg8cHZiptf+Ec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )