Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'de4ca5e223a014b1de4601f4f91a2d6df316fb9c0516bd8189757df21bb83c6d' 
  AND token = '2cGgFK/RyjWOUlZXIZojwssAEyG8FM4m0mLgLbU70cc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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