Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04442f69c9c15cab31de40413bcb2208b6bbaffd818d8a581250c7fad4384d9c' 
  AND token = 'bKG5c/CD7CQ05hLjv+gqCZ+1kTD3qygefcmrHqIivik=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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