INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4d21866920d37673a2ada5363119058796916a1b946e03fc2fe28869b538df2f', 
    't0HykYbQJvu4fnWOMdx5u49wDF6aZwj26J0GPQLp1wA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)