Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '23e8c9e2d374954fab84ac070adce8435edf672ab8bd95273c163546505c953b' 
  AND token = 'nMJA7nkAVMqzJk1LGxE2fc9w7TxKVSgkUmGtzXIzOVI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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