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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '60e32d3b50a4d80b6dd40c6a596a18c81c0ba4f8d3bc976dcfb708495d6fa5d7' 
  AND token = '+jH3F3fKk9jmUJyVXsz0JRuTYXnFrsaYN85EUAmm7pQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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