INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'df8ed18681deffc221a32ef09fa33494842731bc8734f040f98b7ff98b0eba4a', 
    '6MZvXi1IhE9ebgawiSvkkp1R2lp7NlHGLg6bwzj5Xzo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)