Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '912d5b3b1cc76cef5b01465d153ee74f5775b6a9c4f67a86be5c5492e01a3e8a' 
  AND token = 'nSAeqmdcx5euBdl1Ztz2a780F8kLzc1s1iK/49NlL8Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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