Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7d0b3255ba673ca32218934ba712076bc6537d647602d7f038cbd17302ed1264' 
  AND token = 'XBXhJ9sOKIcQstS31J/qugoaFcb5aYxKTUiA6uKe3BU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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