Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1faea165e79b0f16e68f3be0cbfd28b995080ca755a09ab4223f359b41a6b01a' 
  AND token = 'DMOZOM9LXcHgZlY6bqyVCXU1kqOprTLvAdGPt5hYm5I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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