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SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '2d449f09fbbdfce59b1cad68c97161db95f71ce491e04e84b1fe182b65cf6581' 
  AND token = 'NOwfUA8yj4B0Qr1v5SoMyiJxFiNpHkoxyR6oMEojX/Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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