INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '56c30868be06f2fd1936db62ab0afef0d244df19961a4c030e591a17a580326d', 
    'DBr2IdH1gqgJPtRHLf8BRQf9sUTcLwm9ZDHT4H9R+rc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)