INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3e7473a538c9ed9e625e896f6441a9dd1028aece88778d697806d488ee10bb54', 
    'Oc4DXcj974eDOqfmja5rOJl4SFMMASoELzTbEYIWCcM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)