Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '63a701b310fbba3f6decf7ed712a86a6eac6809b8dd4400563b900756ae27641' 
  AND token = 'iP4Lf1Sbm0Lbvkt1N4xy4ugnYi015ohbkrbBsa6bux4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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