UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DQzPynd+9SRTGt5/YMwy7T/BOl3OZlnzeKtNsqEExHg=' 
WHERE 
  key_id = 'a4696aec1ec6cda3428063a9be371fbef68a8b8a0923352b4641a82fa296b76c' 
  AND (
    token = 'DQzPynd+9SRTGt5/YMwy7T/BOl3OZlnzeKtNsqEExHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )