INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6e15c2aabb33b54943c90d7b4a15320a9722636cbdf8fae71271cef829a486e', 
    'nTAODhj2XFTLUyEblrbR5ijVqXdOzurnYqF7JQ4YG2Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)