INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1c5703d46828ed74f14f424e0e75c1e27a57155b3e7303d5dc5814430406bdbb', 
    'gZiSaNKnO9RjeU8/8JyeA6vj3gDvpSt9Yt/p9uSqsEU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)