Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3ba4cf07c8c82f525edc784c8d460c048127108a711f5085ffebc668861d926c' 
  AND token = 'm8/7BCNLpzCUMaXfWkK53+8a+dXnI5rzeO/LVONolXA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00143

JSON explain

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