INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e44218b1532be72df4205df14648f05bc1132fd1bd8dbad652491c35419cac', 
    'WQOrAWfWB+NnK7D5HnIu1ehQWCDcQ+tseqctV6e3R4E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)