INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15840d746b61b757bbd7d187de6d46f34f43a14c0befca9d921382185a2c234a', 
    'HFLLJ27jhQ0FE4+wBqsz9dylHxUsMqCNS3gvSIPy+L0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)