INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5e34ccfa5718d56870e6015e606526c336aab7625fbe9984373014e88eb74021', 
    '4zX2LHDj9jVL0s5xCZ20m8TPTmcIePcnUNa39pfVNjc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)