UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lnq9oa1A7sSIKl4mYLbLow2avB5kzqOAp8T+bRKEImo=' 
WHERE 
  key_id = '2636f8769b11640c8d1e239d3861e787a6976c368bf71c122d72aaca5d47aad5' 
  AND (
    token = 'Lnq9oa1A7sSIKl4mYLbLow2avB5kzqOAp8T+bRKEImo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )