Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '26db07b6867d47a5aaab33c8f51438a2d20fce46f1704f3276a8ae365628dc3d' 
  AND token = 'pGWSrPt0/hMX/XImzC4x8zH9Nxz3V6iaObuUCzGCeU4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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