SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0654619debc7096c276fc9e29a482cb0f6d61325b267146f4d5d990b499d4986' 
  AND token = 'lTgzR8ztZKVPSu8h8ic/nF5neP/3wYRhZ+7Bwe1kfE0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}