INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1b2c3685b6550babc11e33109293357d3faa4a59a2ba0a393defe211f2e34fe1', 
    'LihE2YROz5zcio3Whv60QSmH6BeuWYYu2zhOgeNyVRE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)