Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a8f3f50a0c13e760e010811587261642c3fa7b6c16d68fe22ef2026ac9013ebc' 
  AND token = 'AWfSnXTYTRCWNjvTsl+fP/14UOoqUKDR0fozNDs20GU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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