Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '65119ad8ba9b12156b62945bc1ed99661c2193c06722d3ee27b1d296edf89610' 
  AND token = 'IgXHbBRIfY4qrXIcj+c+dSITIA74j8Cevon5R0f/nVY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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