INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4d501942c2f81fce762054eeebbb61faaa2d10f98a52187beb66c5e8a299d817', 
    'U3kPZMuikcPDx6zO2t8ejFtqxiMQmghJwztYNrB01D0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)