INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '339f4db6534475939a3ceb9bbbb53673a121b9b0c7789d9b620282c6a4947d44', 
    'cddeFhHQqVt9QsZtCuixc7vNhR7jGk8gtHhcu3I1fLo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)