Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '40d5d708919791f36fda75c885dbd47ea2d38216a225e011217dc1bb7def13db' 
  AND token = 'oo+u2UiVG7R/Llz05C/m57aogd/sGhi0rGrU0/8ql3s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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