Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '03ec45362399e6399d20ddac82b06910e5e38e5321821d3852204f6998981fb1' 
  AND token = 'PEBcbYu390APW9QkFIyNq2GgY8Vagns65q7mwS8EwW8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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