INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '551514658535a5fc61e423da6529d4c147c019d3a38050d34c7b923d6dee984d', 
    'NDugg8WkoKpHG+CtX7vunrxIJSJAeN6vyoPzWZrhjzg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)