INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e51c65a1e55b20eaab2b5de253b21f22961f4e614897c4d5853a075a4a41a000', 
    'oS7wTkQNMD1fjKMO6FMs//hxv/w7hiBmAxdFH6C0/5Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)