INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f4fe950366755d6644347d4dc9d61675e6efa18588797118c24754126d544e9d', 
    '6s3kpTE1/rDo8wirZmu0kGYGapvQbNDgYap21L0mzGk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)