Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7231259cb289816038d231816c7ecc3ae4e34565179f610928b35c36b3fd02f4' 
  AND token = 'y3I/eXGf351lW1M8SwGACOG+DTKnHKUMxrsYCfPWofk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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