Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '619760c0b7abe5b70e17b8b57f56595cacda318f2eba8b638ef776e48b761772' 
  AND token = 'JBcJdeA4ETOlJqpkTvA1gghRIrrP7N/zbk5hXOzt0e4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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