INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '311fef0915bae41c5c58d5e06a1790654b2073b0168e34f9fc531327984ead76', 
    'yljPX9vhhnh3TsaaO+mlyn9g4SiOb67ZPju5fduGs7I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)