Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '14dca00a164541bf4e6f96898b11266568ad4daaed307221b56dff364ce63338' 
  AND token = 'CnoJLlgdi47hCaweUB3MSBC5t2cQpBAVuTpTvCcNIqs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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