INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c5a351aebb49b1293757a8653cb3efc06319a615fbe68d47a97099b3d9bb66c9', 
    'DSDm/EQAC5b4QjJMIYrBQJbjq7B3SUsQ//R3YWxh8vM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)