INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c9988642932e2b8a2ebb184232655b018921b447b50e65118a2590815c480231', 
    '3rslc5iwQ0CIIFSiKbSrLlkkn/uU0qUM/EhtAuseI0A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)