INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1839393781eb986063623a008c16e5fb204821eaf6b92d8af0e130cb15e375dd', 
    'tMBIww8H1sYhccee7zM2vNmp1NODwuK956nv40ePZk0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)