Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bb5a088aaccb90ab7c5edb3632e33ba49e53e567a305830c45c824c6be877624' 
  AND token = 'SFvzokDFS+n2pGoA6X2mEwBR9J2Z+XENkwA33K4A1rQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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