Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f3842c478abdf6f0dfeef7296634ab0a0f4fb8ba8a9c24c9c23199c3a0f610cf' 
  AND token = '55hMC4qWZSKC/lkipn8Feio2BMNpc1zhcHUKX0fVWAI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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