INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51a70d617738de7502ec1995bc131809b6ed0ab0e3e7beb30c39ed3025c48c2d', 
    'GMyN5VtaDSBpJwTkeE1CVQNc1qJ3UB38XT1EH1h066g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)