INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '837b4b0a383835f2d243c1355e7b0bd7800408746387757832115a2fddf15db6', 
    'tIcF7i1YLEQbKeXDkgbNSLNgFvpZBgDn2BzyLC4jDBQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)