Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'eed94170f87f5cc35660bcd3b336a2cd3d30b9b65514ba7debd50724288277ad' 
  AND token = 'hLt4EKfCV0sTDapDdJEthFnTik4F4DefPD460UhbCoE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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