Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f522713f1c4e15f27ff4ca3abe6450265d20fa64998ca41e6af2b2a818824a0a' 
  AND token = '8N3fQUo/9Bmlg8MUAwulhZE9W4GuVBDr8vvp1Xo4kCw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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