Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '68e62abc7232c9f27968314f9475e428a9114a5d667d286add621e038348ea24' 
  AND token = 'hlGOv66E0qccuNaFSpyva3CxjNQp4h67hZCEeTfXxcU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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