INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8438cc50b0273972161e78f2e55663373e9ee6e663f81964f9f933003b345482', 
    'wzj12M9v25pExwMSzWUs7lVpBvWOQFxHnfuBe5Kn7BY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)