INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '421320d512ba4f389cbbfc202cb9b35cec7199217a78884d423e5a763f22595e', 
    'eP/+RpP6CNnAvma8L799G+I1JrV3DqhWeHaVhUtAonE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)