Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9d7955c83a1bd004b60e4816ebf4316a62a450a63857b56e93533793749ac0ae' 
  AND token = 'tirifd2/YC/LexltEbeSRg42tXfN5JnEmjathnb1h+o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00116

JSON explain

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