UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P+lOoyUywekcpem4UiUukzrctS/hJp3a5ZABpppiwFg=' 
WHERE 
  key_id = '5b029ca0ee8e6bb31d039fe0e1ebbdd67dc995bae9118714e92bd10100e3c9f0' 
  AND (
    token = 'P+lOoyUywekcpem4UiUukzrctS/hJp3a5ZABpppiwFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034