Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '41c6ed6d4969b361b9b25a6574c3b5f024445223974a90ce7e12644c9e933579' 
  AND token = 'eoPvp2H1dIYm2Q7TzOgYBNby6ddcMJiuyeELIN8wohU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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