INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '273fa891fd6b593514ff6854c74abe68b7721e04cb7c672d8a3d105bb915a8b2', 
    '8yF6tU/4PYs0b0nwRG38/lQzY5bwYD3UixEzAsEZVO8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)