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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1eb514ce3e98e2e675f21b3a19287ea0ba9cff5b25d4fbfbc6addd6d3234d4ee' 
  AND token = 'QGcH6SlgJMCRuzeXBRdXS1rnGzpWzUWJ6r8ktYyaYt0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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