INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6fda8a89ea3c707450951179416b291554f8975392e9d861ebd66007784d37b3', 
    'kU8OjxSJb7z9+aLdvzJRPFl8AllrWhMyuBA3d8tevps=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)