INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6a3889e252c5036053449f27bd57cbb304d4d6afb452e1e37388946aea788306', 
    'PNR9FhJfaopWVsrJJX2JbkkC7al1uJXmGhI52y6PBW0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00210

Result

int(1)