Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '153f92a7912a919b787a492714d58492b7d214466c20937fe0ea100548ca74e0' 
  AND token = 'kS9++a/qu97wAIgs+MEIKWtEyq8TpnszGEJ1TwIwTXw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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