Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8818db71e6973c619e2b1500330b15061a11a5f0a99a3f1bce2fc38cab1ba7c5' 
  AND token = 'hdlZk18450vgkmA/GTe8pEIiPNxwLpeiOIyhkQRPeMw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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