Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8faa3b9c7b0432120f383acd62371cced188d107fc88ac6d64538366f5ed7d98' 
  AND token = 'lwartkNjPpEHSFDtlAn15wD9qii1T+U4zcV+bMrr0S8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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