Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '62009d70cf84bb0111f03566e1be98ca682a3506030d778b6c7269961637c722' 
  AND token = '67zPgOgjJHrD5NzSEwDBg79YOFA5L1K7+1dBvcwR7+o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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