INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e421efeb8d545a4f39fa2938d28f41a1d13eb78be63c9980c3fb52ec0931d6da', 
    '0gcus0gQiTBL8EQ+X5uSMJhmVKSlUdvBkl+rAYQ34Rw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)