Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1165ee7ec0a0e938b6e3723f68cf51d967ad5aa53dba9dc3b9058e4ee6fae69e' 
  AND token = 'Yw4LjTrGusgt1u/lHQL2HQpebH43pP0t4JMAXIm26xI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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