Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '32601c61a65d77ed5fcfeb56d92e5b8d864f608973f2c62ee097eae3ca1e2b17' 
  AND token = 't3/S4sMkq5QCoEOyNhdJA6c5N/XUTnamfZkybJAlWEU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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