Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aed16322c26c81aa65138dec338071244880f1fa0d50d8fa6cea2a2bfe696514' 
  AND token = 'hZyCRMDt1nuMKcBRYji2VhTuDGuahyEdY7ZFRry/goY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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