INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81512dc66dfed5f0be1b2d35349d4018f4b5e09971b7cd56dbdfbcdff9200f59', 
    'mCD/n80mnpOj75R0aD18cewjgL1Z2V6fwkvc1FsPFV4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)