INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b21c4734d1f6431937a503bb67f40e1203b0725121f0390459f94d5222e30d0', 
    '4iMPJNdU51kkZeRfBakDknD76UZNVfdfzpQGMrn7/t8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)