Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3df341c255238eac2425164babecf7562761e709217ff117c0d24c6d92f6347f' 
  AND token = 'a8y1XAB88JWhwrMRXKNg8BfP0Wi0VyLJNgx0+5q3UsY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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