Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '85125cdbdb8e24ab972879fbd94f969d502641213e9ab4a958b82592d4f0e862' 
  AND token = 'PhuMZkZF5U8DOPTTei+HZYbZuKnLhmmmwrrdfuaW+CQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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