Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '24ba2e90585d7719450eab6b8dae3cb94716609154d26ac1648b4c9011ebf985' 
  AND token = 'w1UKob9Krt6WwS6QXCkS2RODBZEO7pLtBorFVG2K1/o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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