INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51bf5897c3f97b84876769f014230dbddcfc6d1fb2e1c8f8a561b55344d03b3f', 
    'TUSihvTbOdVb3wxHcV373hL+AG0z1rpEn1GdNPPs0lc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)