Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '01219252fffac81884be57036e223d9ef9e4e243667d712e847f8ed4be56fd35' 
  AND token = 'lTIIfyC3l9qZ8b2oeKBWKv0K3IvT2bQB+OT06fafg6o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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