INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6e2a1a635c1973b4173edd573a6a556ded221dddde745618378cc1239cf7566', 
    'AEBg5eIC4RgmGJPMEBow1TQP9vtv4NSy8Sxy8HRJeuc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)