UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4rtmqtvf/Sglm+q3QAiM6j9t/jporCuTe1WNavCBKY=' 
WHERE 
  key_id = '21784d197bf93d81e2ab58cd784bfb4f79f9944c97c8ae2f119b642dfdf88c38' 
  AND (
    token = 'n4rtmqtvf/Sglm+q3QAiM6j9t/jporCuTe1WNavCBKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )