Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '12a1148b349bbd0ecaf1b783dc5567aa2557d99328c1702376713fa1f79a6c9a' 
  AND token = 'Ri1w/WFQ7M6DfsNheviOhVXGlC28el7oUhMdgwqnuAA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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