INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '75210001b6d2f191d05a515674c970d45ee3a3638cf9851641cad0bcb505f042', 
    'MmNx9n3r9DVukmQrQWvd8SM7IWNt7S62ittShR8US8c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)