Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '600a20084c9729a77f3ca0ea1dab169eed6610bea95b697ae1e71f6edd10c1cf' 
  AND token = '6hHcr5T8tsS7V22bJsS97LexMWy8dhfEM/7z/+JWM1Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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