Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ba65ecd3fd389105725e10625a1e56a67455ba1687531508e23271d4c535010e' 
  AND token = '2FgkwiiKqgrWacjwnJ2KZMN2A0W0xTtINZP59Nf1R/w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00056

JSON explain

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