INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15ac8f6196e6e9523e81c982d3d7293954f53c0831d290b69f8c20fd3aeb3e3b', 
    'sSrXT3tBX2jfrCbFum1A9euELl2kBGUhO7x7jCmOvaQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)