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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'faaa13c7008efdd2acf8a3a91cb262eecb0e24b5a396ba4ab18ccc34685ebe60' 
  AND token = 'vKnx1q1Ke4p1RML3PQQEgrwjlchDWVt8cR2qaL/ixAc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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