Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '77e3c27389bb8be2e253eadd037e8c63fef9acc4c54a0f36c8dcd2aa402e37c2' 
  AND token = 'v7BTE5sUX1O53hFdaAknRBLW3Z6a6IR89/t3jr14ol0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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