INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '299f5d2a63fad8e602af7b2473d9e4a9357758a9237fa5c112936e941def1732', 
    'AZlUDojHsa6xcyPH+LK7FSW8JK2nEW1ay3afKMP8ttE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)