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SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = 'a22bef8d9580db9737cf4df9bfce088ed441da060a32a3cc48f76db98a9e85c9' 
  AND token = 'xafbo4hDrr0u6V58L9Neaq9aF/Cv4ocZ6g03gyEJKOk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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