INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7215ea0a5c73e7d612a81706ca73fe470efcd161d429c39d4ade313470be8a33', 
    'MNlLQq0ArE4J06T3BoDafTn22sgIMbteLMcgC1lnf80=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)