INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8f04491810ed56e324ed10fdfa45b10f06816150d29ba8e6b6abab5a04efef6', 
    't+j1ICE7XPJqzgH3T3c4bIqy5uGx8xro6ksVDu3TuqQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)