Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04cd5c247d86da1d25f166f14335ddf415d0c43bd67e2803819f81dc48768944' 
  AND token = 'pIV0W9UzHJsxwQEzHYltRJ0vbpzgsVcLdhTHo6VrPDU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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