Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '60e93adffe90f94ec333fbf561ab2e247fe8472a8c7a6568d95386eae9fb3f53' 
  AND token = 'BNPLihwS9fDCmMO5JjS6B67z8WqXJX9I8tN4qZ54J8U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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