INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '257c0751d53dfc95e6a880d1d34c9be04451b01278a2674a59dcaec04e7e79f4', 
    'qXx0Lxm8t6gSXo8V40YLHMqqMcnQsUlmO43Ff8dBJso=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)