Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7ffc76aee0d5a57db84e0d5b4f92ff3bd9bcb84dccdd1f126f7233bff0c746fd' 
  AND token = 'PCVdoqpz/ub7yAjRYHSJexkQjsz0L0npv2EyYKSicXo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

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