INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e21bb101717a3c0f03c084922624f5c1f592af9ad84e2bacb29af3324025c68', 
    'b3XeSw6qnIr+KADYtZ2FiEhFbI81vbnnrVZ8SIu9YJM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)