Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '3ae33db19543156ad1d4a4d3fcbb3a2e19682e5566617978c04738197ab9a956' 
  AND token = 'kvxt0a/hyunii2z05GFm5ptvDXnafWLHlrhM+80Nwr8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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