Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e9c17410d07b6c7f7496000f79d702e21dcdfd585a4e7ab004417b5e60858c0b' 
  AND token = 'Kfdm7GmJipH2jvgrZqSa0OY1U4MdfGsOVCpZLBb9vOg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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