Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7709126f201c39f746dcd5a712eeef70d66d27ab61967b28d117362049eb934f' 
  AND token = 'qhx2iAUNyObIHhRv1C7oYk7d7Fj7llInA/b4BPdE6+w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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