UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '70hCkmTPqoD/2HZm998jt7jDfddJGyUPZonbkrzflpw=' 
WHERE 
  key_id = '51a6f7d4008dbe0fc60e1e2123c55d6ad0a119eab8b6680be3bbb431258fb9e1' 
  AND (
    token = '70hCkmTPqoD/2HZm998jt7jDfddJGyUPZonbkrzflpw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00018