INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '521beb1b038c16017558a76859b75000c64ef5ee5f2ed5d37188dc132dce75c2', 
    'Q1eCVQLJGowPRv5X6gk7/GYREZRrMCxX/BPR3OiJtug=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)