INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '78303b7889fa3dc76d845655b7a03d8ac090c8b72d3f2646360322205711f5e2', 
    'zlHAYgstHXMIuPtRMm/T8uXR9a3KGWdS67Eg+bESZNs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)