INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '388433837f645e2d3712dba389b8901ee26574239e0af793b207e996a971bfdd', 
    'JHn9wqcLMRvY6CYAv8+fnYqwnuTfT9Vm4OuihcjYbDA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)