Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '977657cdded2fa3b3988b9b8765cdd4a29960291c88d43c364ce6733573015fa' 
  AND token = 'qkCuRI+jhJS8xETXI1n11d6F5x2ZCW0ZQRQNYe5+jic=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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