Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8f0b1055bc7bb2556fffc8de1699387d9cc9ceec2dcea2856e1f6febab056298' 
  AND token = 'VWvhvMMYe/TsWps1Lged2xJc6Tqquq6gvbcLfzDKP9E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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