Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7b077607a240a59b07ff4e8c8cdfbe87954589c28f1c25da70bdb22060fcd645' 
  AND token = 'uADazjbc5tl1I63mLhYhX5fUd4uG8obOeE1mdqlxr+4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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