Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '62f584527b19e19b6ce8718429afe83793eb681aa610cb1bb05b1726b4a3d70f' 
  AND token = 'pR5Ff2+FS70vOIVWLEYdOa8H4aB5qdBqjFf08sRqJ30=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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