Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd3207cea4c16bd37e2e5b61568259ecae3b2b00ee5d73fe86e8c5a98018ffa84' 
  AND token = '07Ji0TlzmBzAgb/MY86N/5210exzg8POD3Dm3v8+b/Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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