UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'twzBuhnHrcAERIVt3IKk1bUtTcNjjaNyLpLsYwj0tPw=' 
WHERE 
  key_id = '976d12154b29139e5da111861acad41810b66dd4765fd238b7c00f2adc69f044' 
  AND (
    token = 'twzBuhnHrcAERIVt3IKk1bUtTcNjjaNyLpLsYwj0tPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )