Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bfc7f8c9c1fdcb1b719e30f4d6669a8f2b5a2557c8f4617b70c1b40fb6ade0b0' 
  AND token = 'nLwN4SjbaAwZqhz3HQ5G0C919u+UmrLYyYxT9kLtw4k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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