Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9074d9102c33c730c4a1e29d066bcb8cf5e725e98e2b52414aed85f0d87a3cec' 
  AND token = 'nLmU7A8aIJcFerCl0fdXSZTBPJlNDbTscmd/m886K+c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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