Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '14328ab7901aae9a61e65cf6b2bfbe630bf0bd0e2e5ede584aa93be3abf34854' 
  AND token = 'ooUd4dupGQJD4QZzPYU1N1GHwIXIWtwPS3o1GkcIwWE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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