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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aadc17c0d9d5061fc7726fa6e4b3e7c9ddcc33e65bc401fa6b179dd23ad4e5b3' 
  AND token = 'K47xTr549EymAG/BNcsPr5Mx2rDXY6aiz8kN3ipcaEs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00064

JSON explain

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