INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91e411e5bc4c2835d40565711485db45b4be4593a3457db7b68d8e63657a62d5', 
    '8mVktuhabvmCxLcu6WaXzNrEtgIuvDJBDeyox99+EY4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)