Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '46f4ca7afa02138cc9bc82980f16585fcf15ede85155d77746627894ecadc568' 
  AND token = 'uUUYUPtHHENQjzgR4XBfS5lqv91GGBNRD2rssoFHHlc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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