INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ec49667850400218be9e11226d388de2809bc3aecf6350dc131afc3438c608', 
    'w/AhgwgXuI1BISE+ZP3wvJ95urZsveIlVrXzVUj3x1E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)