Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '25d2e32313037e81a0676c0bd75e81bb5dd68d7b4f1cc89e917c4060ba811389' 
  AND token = 'dIWelK+CpJ0K1Uc/UACNo31SYbJv8KjQEZcYcnQ3DXQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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