Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd598ecbcbd45cbed1006c5bcd2ad3b9917e3e48494478545aae94fe430ac0e2d' 
  AND token = 'mWg6nHqrArNKycw5KlexJioZamOgbInR7vGS7sf5L8Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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