SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '8097e73f5d1dc3d3e1eb2b8f56dc5f0455a1b94ca5c45c2d9ca69ad9008d6494' 
  AND token = 'ETBD7vwUCYL2BOGnK3jAR+n+kF7xF7LMHZtPnvAH80Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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