INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51fd3540d746c6e564fe54c21257766b4a746636cc8d5248c5f9fb774e1b2dfa', 
    'PxI28Q9rUFTMunqDa2z22X8C9+G1lvWKzh7abc95kzk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00059

Result

int(1)