INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f3651d02bd72799cd04583ee1b4e378e4c0305253d4a6958fd26add8be489ac', 
    'JQLU4UOMhrEofuDyWyXR8u5QbnY7KaRBm0TnYgKTIHQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)