INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d9ccd16fc0ec19489deff5adde3bef8549bf7dad1a2e5a3a51fab2de948bfc', 
    'kJlmfWHo+H7e5ORfaVMPlXheXL+4WF0IJOGIbTR4nQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)