Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '72e5030e7923b85c0bc5e72956cc48f69487995bddb2bb55f286ef5c517d2021' 
  AND token = 'vq0k5BfBgGMd2jMksfhQyVCsnkV9Ry2lsr2C4mHWSds=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

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