INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6d6a51e59c2e78d12d7692b30da29634de67a94e5eb54275d3aa3d82082771b', 
    'mUL46JHNuZhIg//1vpQSnawYBwclxcF2efES4izyJqk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)