Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '63fbfafd74f2ae089ca8dd7a8e238b1ce04ebb4a452dbe1ab266f12f7f7c959d' 
  AND token = 'vyDzrrMXL0EBkBFIv/89wcEKS7qs5ZI4xjVdbFDWjsk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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