INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f21d1417d19797e8545da6f1d905ad781a15cb3a68fa8a7c56565aeecf44309', 
    'UmOVXtXeLLhwJ+KQ0VudTT7O3sdOk26u0ORJ2xWryz4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)