Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'abaa4111d3ce12730f919a4f477a44208f4e8b7c42c9969015a8c9d72b69877a' 
  AND token = 'YpsF4AkCayyw4dSkoTG2kYGA4gqCXgEJZzmwYu1KslY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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