Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0d10d0dd7538d846450cebb079a527fa14908e2511a4f198dd722c24aad48696' 
  AND token = 'CnSRBXdWX8lHVvhiRxV7r3gHMcNSGduT2rpMYbdk3nk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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