Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '09099d95bccc5109a6af226e93f2f4295b78856c2d8af1a6abacd7b208c6bd4a' 
  AND token = '/qmApW9fWhxssrEJlNjz7nm7ntCUj2JayHipOk4mzYg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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