Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fd5d4345aad69181cb304fc8230774e4b12ed7457eae8190de2e6a8d3d506e88' 
  AND token = '07F7pFGt/TUIpek+rnQh0+z3JFxKSZtO5cIylSvULxs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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