Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b130decaf18f1be496db7bc2098fa422d674fe16186a9d78d31f4372111d31f0' 
  AND token = 'NofVVFfiEkjyKwqI39ujTFkpyxOpbeL9sP0DYIau2eM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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