Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c8274f64dd6b63dd11050ebe68969eba9783f241298e7ba659d456611166d184' 
  AND token = 'gyE/s6MuK5R05kKS7OfpC3KWUlNv8lD9Tb5L8r0m6Rs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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