INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '71688a7fb3b1019a8a020802dd4f9fbb4d631ba842c0b4e40a7ab8fe26da70eb', 
    '3CxaCGa0vpi9ppQf+jUXHgRjondVb871KFAb1FAuJW0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)