INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e4cddde226d329485c360895279fb48f6bb6c5e1b699c60fe3b59a60d847bb', 
    'uTztoLU7TxfuIop/eBWL2ThuG1zWjd4K08nwRwgn/ls=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)