Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '49f1a554b3d2ed4bcb832e401736ee9af2b3ae705a0bc201144348b4f739383e' 
  AND token = 'XmfG7frhWNTFhUFX9/3CDb8/l8VJ1WhBrjuB6xROfQY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

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