Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd745604076e06db7519de59b851244378745e0c3de5bb0b3abbe2a3d36ab5fa1' 
  AND token = 'Z7DdtquZh0sjoGxO7fsnwctgf7wirQVe3bLrTUGHl+Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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