INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '99407ab8ba71557de10e20c2b81fa12efe0d124f5fdce8bba62581d0d41daea4', 
    'z9TzwQeJR5snxdvVpiAUP6Sv595L7Yd5v6Jk1wYp6KE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)