INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1515930619c0f60ed901a315c6823134622eb95f9548bdfcf6fc88b835af3a35', 
    'uDj2R7MmXDOVueP/A26XSFYY3DQtR9Uw7fGqi507ltc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)