Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '349b8eb29ecc9508fa15b33206400c6e37f9715c229743165c3a3320c02e6f07' 
  AND token = 'LSLkDw0r0dpIhS4d9K48q0yOqgEhSaSMKwQhwewVdSw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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