INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51790261b73d7327eb5d496cebc902a489f84875a7e91294dd358dbab3573388', 
    'SPJVr8z5Cq2qqIxN0OA/VPCu19MEorGH2jzmy37XCQE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)