Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '10785ad9a77e1b739afea2e5a6639e53f7d6f58d0a25c5b90160cf853a402861' 
  AND token = 'jzgIriNrbs1srgB5AZGbUUyIh4yucr8JkfNEIAMhVHA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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