UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RnzuIbKZBCst31g8kEopLlYZdhIiFzmbqRVHKqXB6kI=' 
WHERE 
  key_id = '3eeeb049a1a06527bf4a2a8bf03b90b0a30eeddc04887c23dd1afac563d0191a' 
  AND (
    token = 'RnzuIbKZBCst31g8kEopLlYZdhIiFzmbqRVHKqXB6kI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )