Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'bd469d6b216db2d76c6ea5af23305196ceb716e47331af9e264593532c6a5e6c' 
  AND token = 'aU8CShfsZHGpREbLIb2wH6cU8rnM+MU8baUG+vl/lK4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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