UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pB6cuLbcVIrcZFDcgCmNVgmxyc9KSvFqiC30kE7MfuA=' 
WHERE 
  key_id = 'a3976903f81337b1bb5dd0f54c8aa3d21c765a9589c5ec3acf1a343fecc9c8b7' 
  AND (
    token = 'pB6cuLbcVIrcZFDcgCmNVgmxyc9KSvFqiC30kE7MfuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )