UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nUnLNdPwQKFqzCQRNuH47Cl3EmQNl5Ct5gvSfIhs1D0=' 
WHERE 
  key_id = 'c9df9f9e1cdf7591db9164977db67902b4554810805884c5120371595aa16f27' 
  AND (
    token = 'nUnLNdPwQKFqzCQRNuH47Cl3EmQNl5Ct5gvSfIhs1D0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )