INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5015371bce6c4de533d2d9a5af915689090953cafbab6018a5d46044c320389c', 
    'mD7uQ0Mr6oweoRIiVk2V8p9Jn/+gbJBcIApsnaUqDig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00013

Result

int(1)