INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5a61498671376e9a33d04348a4247170e49b86923d4a39a273762a47119e6339', 
    'DPRV4asLrkLcLCQgpNo4iMFuSyyOtZmR07WYnGKgxQE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)