Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '84482b3537d9ca317528fc2f697b0ad163a29839aa546c6c76a1d6bbede537a9' 
  AND token = 'o0032boRuF+eKVFdN3baOg2Y9ru2euxcTqTDxq9ablc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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