Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1702240d377c84c039d5780371e8b40adbc1f8be4e08865560de2b74827ec33d' 
  AND token = 'ebhniWhtpsUFUuqvCRXPJSS2AJ1eda/0e739OOI/lis=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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