Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ccec71f622632fec810376edfa3cbb8de5df5907af1cdcf495324074c80d7111' 
  AND token = 'CGNYyBej+yT0QQtr5av/6ydHjIx8s2HXv2/xyjcrXgo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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