Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '10aedc8df3a36acb4b4a3fd439f766a71093b0655da04608a7b59d9d5c00a9b6' 
  AND token = 'LP2kuzQNUZ0d0107F+/z6Z/wx7JQDgncI4dlLJM+Fr0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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