UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f6FD3THTlkXfU/Q67wdwNySDemgqbLwNKmeTuK7EUBs=' 
WHERE 
  key_id = '219e5e8082224dc47e56115b1875b01a609021c802dbad06506d6f6c3c726a01' 
  AND (
    token = 'f6FD3THTlkXfU/Q67wdwNySDemgqbLwNKmeTuK7EUBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021