INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c81488307c35693b54136ae5565eed3df6d68cd34a787893c778012b23cd4be', 
    'S84V2FUx1EQT929DBEUvr2H7FbwstE2THUjlnOpfeZ4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)