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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '97fac68248408977062b98696c9224247e7a2213224fc991ca5725216bf4f754' 
  AND token = 'GeU8k0E8F/xv/fs2VjwS0Vo59impoTGpD/YdZ7ErOGA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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