Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9651d5c6686e2ee265b29aab810c8cb89f3d6b832ae28e3ef464f48a94647010' 
  AND token = 'JodYsIyYywGYBtdlVn5q+sSyioqR8PT/kKC5xcYT7M8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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