Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7d6dcac10d95356414c56302329b82681c407bffe96ce3ed94d3fe6240d7b880' 
  AND token = 'HeL31qlYoe1/M1OldLxElTPg9JkIT7N9oBjqtYLDeJw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}