Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '217b22058762a01799dc03849d9eabfa40283dc0c6999ea87cab37f5e50e279d' 
  AND token = 'jPF5bJS82icT3bMAafY+1oLNK8Kl/ohgQ15c+xB1oJ0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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