Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0ddce89af80c4494d6491c4284ca5a43370d6df3416273f82361ddc22223c0b1' 
  AND token = 'y1L8jMkQryRAipkkSW5lMzLp9b5O+q3ZQOau+A/qx08=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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