Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9bea055e065233e90ba12a07544ef15cd53ae9e6cf7bc52415ccd024628cbe07' 
  AND token = 'fNcCuhJSNFCL9lGKFYFloXHuzgI3dj9OQBRfqttsLro=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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