INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c5f363109b94619e0bd8cc557feeea870a10877f443c86f7204fab9cdeccdf8', 
    'OUN6+4HcRcRylZCAQ9EAfk13tMOxtVbKmSnkSEdETNU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)