INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ebeea40b29dc6a4f38fffe6604c43cb3ef2baa0c7f53d5217b50e40a02f7e1', 
    'RwMALISQ8EbG4sTXwbf0fBSASMObZCW18dSjPnMtv20=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)