INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e53e1d9248ec10ed76a84541483a40bd2b16898d130c5080ba8c9656129138fa', 
    'MYaHCDW3EwPWVTag4CHShem7Du2pp9/JZDhvFvDTngY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)