INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50190808d3bc023024c8a83575d9190feccaed1d5ed0e5559086418556ef7f41', 
    'KdMgspP9/D2n+wTNNf3O8riNQl0HTFPV9Kbpj21cs2M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00054

Result

int(1)