INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b14d04c2e10a9f511094a910630a0a21ced7f7f3dcada730d9afc2a47452f048', 
    'guAwOyOaCTsKVKvjMDqVD16u18+R1O6MdASgbl0By6k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)