Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd9ef611f76b4baa361e8b687f07401d46a938fee283b861f31bee3d9f8795ee4' 
  AND token = 'AWDmAvWuRvXpoS0s7U5V9g188tE6r6PTc3S2p+fFxBk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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