Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '93ae232b7160ef153bfc56cc3db8807afcfabea32f6f6640582642fdd2a957f7' 
  AND token = 'JtWqy7PzN2ft+ejZ+k7ksza8NidAOILwNXB/pvpjuNY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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