Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '95df511b687b8a1c76dd7d93c66110be7fc925ea579cfdcafc0956acc8a8a069' 
  AND token = 'KrnVYA5aUsbrObbf6CQKiklFV/dOU7D3NEMPEvdM6Z8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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