INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c9c9f930ec6c729ded0f7db6caf4f06d8c2303559241df9a523894d92ee940a0', 
    '7W439N8XLm8nHIg90WtRTqhUjOQJVMeWu/rqxVkz86Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)