Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e1e79aaecf63a55ba4392abdf463819de6f0ba814103ac5d0f4f112f40a2e82d' 
  AND token = 'hOIO9v1nQy7dRmiTqdq4ZoS6tLzzQrLz3rez3NSvVWM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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