Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '130b4df86ae828db490a8646668899a009bb0b5ac9318dcddfdbdb351549e913' 
  AND token = 'szAYAU9wxQeFkif01wgQzJw3i2EvY33pnS/Tq706iWo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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