INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '05b3de99513b06d62840fa43be5646585b35ad8b3d4d370ad1411365053946f5', 
    'cywKMJY+OAAS1WQSRbzdVxB07CElfIKXRU39JcvRWKk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)