INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '915935d788d47ee4c72151e1527bedba05938cb26fde1abb1f19f2fd619b3573', 
    'n2zmW8BWFi2j9GhvxjzZDVNCt715sJZjzmw8HvaHoBo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)