INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15c87143ee4b0adf2e82376305e9a9bcd9921bb35a544bd69b850a365a1eb5bc', 
    'a1G3Oyx4+CUZNl3SmsD7K+tjoN6Q2hvnbOWSUNVgXCI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)