Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5af894b13def16614fb134b52c797fa0e1187980cb2a4f09351937ad032f3ff3' 
  AND token = '71QDpV2DJUgxWInGB77oenKq/QC8iraeRHlaKcURyTg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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