INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7a0321b5c6fb1ddf07a26d5f5ad7592a98c4c812fb1214d5b16e96c00b375289', 
    'RNV4OdR1EKi+toPWl+dLzuLCEiLikvsIDpseK7f/3AU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)