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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7c8630b1ad4fcedce12b42acb6c9f1b76070fbe23b104b4ead9521d11e1e7957' 
  AND token = 'YNC2CsXSB/e8LJ5WAx3Haa3xBOl260SsroVVeAptZuU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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