INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dc4ccab36a220853eb785aae8bf4953b7a8b6d4f25375d58fba887fddb591e9b', 
    '6mxMc0XeEyj3vl5mAG7XsLIvvBEucr89dHjb0kSHG/I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)