INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1388cbe3a718a6143595ef9cff68502016908a2ad7fa48fcdc06830f54e02cf8', 
    'q3DGyZi+D02njcsSpMS7u6eNWLP5q337pta7EEBCPVM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)