INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81de2d61e0cd20c368bec3e77284a3006e9c56aebd1bbd20fa10f3f460438b19', 
    'xkxJnNc+i7DElKBHAXOeU0U1D5ruXmanJyxiLT62KkQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)